Search a number
-
+
202020030120 = 233513712288323
BaseRepresentation
bin1011110000100101010…
…1010000011010101000
3201022110010022211212210
42330021111100122220
511302214111430440
6232450130205120
720411146631436
oct2741125203250
9638403284783
10202020030120
1178749049787
12331a01237a0
131608698a57c
149ac64b1d56
1553c5991a80
hex2f095506a8

202020030120 has 64 divisors (see below), whose sum is σ = 610483936320. Its totient is φ = 53478777344.

The previous prime is 202020030089. The next prime is 202020030143. The reversal of 202020030120 is 21030020202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 202020030096 and 202020030105.

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, 6127722 + ... + 6160601.

It is an arithmetic number, because the mean of its divisors is an integer number (9538811505).

Almost surely, 2202020030120 is an apocalyptic number.

202020030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202020030120 is an abundant number, since it is smaller than the sum of its proper divisors (408463906200).

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

202020030120 is a wasteful number, since it uses less digits than its factorization.

202020030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12288474 (or 12288470 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 202020030120 its reverse (21030020202), we get a palindrome (223050050322).

The spelling of 202020030120 in words is "two hundred two billion, twenty million, thirty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 137 274 411 548 685 822 1096 1370 1644 2055 2740 3288 4110 5480 8220 16440 12288323 24576646 36864969 49153292 61441615 73729938 98306584 122883230 147459876 184324845 245766460 294919752 368649690 491532920 737299380 1474598760 1683500251 3367000502 5050500753 6734001004 8417501255 10101001506 13468002008 16835002510 20202003012 25252503765 33670005020 40404006024 50505007530 67340010040 101010015060 202020030120