Search a number
-
+
20020011010120 = 23511311914588017
BaseRepresentation
bin1001000110101010001011…
…01001010000100001001000
32121212220010222201010221201
410203111011221100201020
510111001440304310440
6110325022135313544
74134253351553152
oct443250551204110
977786128633851
1020020011010120
116419491327130
1222b401921b8b4
13b22b57044c24
144d2d8bbabad2
1524ab76a7919a
hex123545a50848

20020011010120 has 64 divisors (see below), whose sum is σ = 49155785452800. Its totient is φ = 7277669422080.

The previous prime is 20020011010091. The next prime is 20020011010141. The reversal of 20020011010120 is 2101011002002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20020011010097 and 20020011010106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5921649 + ... + 8666368.

It is an arithmetic number, because the mean of its divisors is an integer number (768059147700).

Almost surely, 220020011010120 is an apocalyptic number.

20020011010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020011010120 is an abundant number, since it is smaller than the sum of its proper divisors (29135774442680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20020011010120 is a wasteful number, since it uses less digits than its factorization.

20020011010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14591158 (or 14591154 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20020011010120 its reverse (2101011002002), we get a palindrome (22121022012122).

The spelling of 20020011010120 in words is "twenty trillion, twenty billion, eleven million, ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 3119 6238 12476 15595 24952 31190 34309 62380 68618 124760 137236 171545 274472 343090 686180 1372360 14588017 29176034 58352068 72940085 116704136 145880170 160468187 291760340 320936374 583520680 641872748 802340935 1283745496 1604681870 3209363740 6418727480 45500025023 91000050046 182000100092 227500125115 364000200184 455000250230 500500275253 910000500460 1001000550506 1820001000920 2002001101012 2502501376265 4004002202024 5005002752530 10010005505060 20020011010120