23031678020 has 96 divisors (see below), whose sum is σ = 54880156800. Its totient is φ = 8048830464.

The previous prime is 23031677993. The next prime is 23031678029. The reversal of 23031678020 is 2087613032.

It is a happy number.

It is a super-2 number, since 2×23031678020² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23031678029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8826476 + ... + 8829084.

It is an arithmetic number, because the mean of its divisors is an integer number (571668300).

Almost surely, 2^23031678020 is an apocalyptic number.

23031678020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23031678020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27440078400).

23031678020 is an abundant number, since it is smaller than the sum of its proper divisors (31848478780).

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

23031678020 is a wasteful number, since it uses less digits than its factorization.

23031678020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 23031678020 in words is "twenty-three billion, thirty-one million, six hundred seventy-eight thousand, twenty".