23012202112020 has 144 divisors (see below), whose sum is σ = 76274924963328. Its totient is φ = 5569524737280.

The previous prime is 23012202112019. The next prime is 23012202112033. The reversal of 23012202112020 is 2021120221032.

23012202112020 is a `hidden beast` number, since 2 + 30 + 1 + 220 + 211 + 202 + 0 = 666.

It is a super-2 number, since 2×23012202112020² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23012202111984 and 23012202112002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8371719 + ... + 10775438.

It is an arithmetic number, because the mean of its divisors is an integer number (529686978912).

Almost surely, 2^{23012202112020} is an apocalyptic number.

23012202112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23012202112020 is an abundant number, since it is smaller than the sum of its proper divisors (53262722851308).

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

23012202112020 is a wasteful number, since it uses less digits than its factorization.

23012202112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19147790 (or 19147785 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 23012202112020 its reverse (2021120221032), we get a palindrome (25033322333052).

The spelling of 23012202112020 in words is "twenty-three trillion, twelve billion, two hundred two million, one hundred twelve thousand, twenty".