20113233102 has 24 divisors (see below), whose sum is σ = 43733766960. Its totient is φ = 6680550240.

The previous prime is 20113233097. The next prime is 20113233109. The reversal of 20113233102 is 20133231102.

20113233102 is a `hidden beast` number, since 20 + 11 + 323 + 310 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113233109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1983202 + ... + 1993317.

It is an arithmetic number, because the mean of its divisors is an integer number (1822240290).

Almost surely, 2^20113233102 is an apocalyptic number.

20113233102 is an abundant number, since it is smaller than the sum of its proper divisors (23620533858).

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

20113233102 is a wasteful number, since it uses less digits than its factorization.

20113233102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976808 (or 3976805 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20113233102 its reverse (20133231102), we get a palindrome (40246464204).

The spelling of 20113233102 in words is "twenty billion, one hundred thirteen million, two hundred thirty-three thousand, one hundred two".