20231232000 has 320 divisors, whose sum is σ = 76878008064. Its totient is φ = 4623974400.

The previous prime is 20231231987. The next prime is 20231232011. The reversal of 20231232000 is 23213202.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1336474 + ... + 1351526.

Almost surely, 2^20231232000 is an apocalyptic number.

20231232000 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 20231232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38439004032).

20231232000 is an abundant number, since it is smaller than the sum of its proper divisors (56646776064).

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

20231232000 is an equidigital number, since it uses as much as digits as its factorization.

20231232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15096 (or 15070 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20231232000 its reverse (23213202), we get a palindrome (20254445202).

The spelling of 20231232000 in words is "twenty billion, two hundred thirty-one million, two hundred thirty-two thousand".