20234023400 has 48 divisors (see below), whose sum is σ = 49520119200. Its totient is φ = 7667628480.

The previous prime is 20234023399. The next prime is 20234023417. The reversal of 20234023400 is 432043202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2658572 + ... + 2666171.

It is an arithmetic number, because the mean of its divisors is an integer number (1031669150).

Almost surely, 2^20234023400 is an apocalyptic number.

20234023400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20234023400 is an abundant number, since it is smaller than the sum of its proper divisors (29286095800).

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

20234023400 is a wasteful number, since it uses less digits than its factorization.

20234023400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5324778 (or 5324769 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20234023400 its reverse (432043202), we get a palindrome (20666066602).

The spelling of 20234023400 in words is "twenty billion, two hundred thirty-four million, twenty-three thousand, four hundred".