Search a number
-
+
12020011202020 = 2253453791740119
BaseRepresentation
bin1010111011101010000001…
…1111110111010111100100
31120120002202020200111022211
42232322200133313113210
53033413440331431040
641321530015333204
72350263040303243
oct256724037672744
946502666614284
1012020011202020
113914726a65098
121421685521204
136926364ba223
142d7ab357c95a
1515ca04b508ea
hexaeea07f75e4

12020011202020 has 24 divisors (see below), whose sum is σ = 25242111115200. Its totient is φ = 4807987796832.

The previous prime is 12020011201967. The next prime is 12020011202047. The reversal of 12020011202020 is 2020211002021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6037521 + ... + 7777639.

It is an arithmetic number, because the mean of its divisors is an integer number (1051754629800).

Almost surely, 212020011202020 is an apocalyptic number.

12020011202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020011202020 is an abundant number, since it is smaller than the sum of its proper divisors (13222099913180).

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

12020011202020 is a wasteful number, since it uses less digits than its factorization.

12020011202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085507 (or 2085505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12020011202020 its reverse (2020211002021), we get a palindrome (14040222204041).

The spelling of 12020011202020 in words is "twelve trillion, twenty billion, eleven million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 345379 690758 1381516 1726895 1740119 3453790 3480238 6907580 6960476 8700595 17401190 34802380 601000560101 1202001120202 2404002240404 3005002800505 6010005601010 12020011202020