20023230100 has 18 divisors (see below), whose sum is σ = 43450409534. Its totient is φ = 8009292000.

The previous prime is 20023230089. The next prime is 20023230121. The reversal of 20023230100 is 103232002.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7074155664 + 12949074436 = 84108^2 + 113794^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100116051 + ... + 100116250.

Almost surely, 2^20023230100 is an apocalyptic number.

20023230100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20023230100 is an abundant number, since it is smaller than the sum of its proper divisors (23427179434).

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

20023230100 is a wasteful number, since it uses less digits than its factorization.

20023230100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200232315 (or 200232308 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20023230100 its reverse (103232002), we get a palindrome (20126462102).

The spelling of 20023230100 in words is "twenty billion, twenty-three million, two hundred thirty thousand, one hundred".