20023233102 has 32 divisors (see below), whose sum is σ = 44682278400. Its totient is φ = 6646480344.

The previous prime is 20023233079. The next prime is 20023233107. The reversal of 20023233102 is 20133232002.

It is a happy number.

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 (20023233107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762828 + ... + 788639.

It is an arithmetic number, because the mean of its divisors is an integer number (1396321200).

Almost surely, 2^20023233102 is an apocalyptic number.

20023233102 is an abundant number, since it is smaller than the sum of its proper divisors (24659045298).

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

20023233102 is a wasteful number, since it uses less digits than its factorization.

20023233102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551717 (or 1551711 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20023233102 its reverse (20133232002), we get a palindrome (40156465104).

The spelling of 20023233102 in words is "twenty billion, twenty-three million, two hundred thirty-three thousand, one hundred two".