20311003230 has 96 divisors (see below), whose sum is σ = 59689560960. Its totient is φ = 4398166080.

The previous prime is 20311003213. The next prime is 20311003261. The reversal of 20311003230 is 3230011302.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 335676 + ... + 391535.

It is an arithmetic number, because the mean of its divisors is an integer number (621766260).

Almost surely, 2^20311003230 is an apocalyptic number.

20311003230 is an abundant number, since it is smaller than the sum of its proper divisors (39378557730).

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

20311003230 is a wasteful number, since it uses less digits than its factorization.

20311003230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727254 (or 727247 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20311003230 its reverse (3230011302), we get a palindrome (23541014532).

The spelling of 20311003230 in words is "twenty billion, three hundred eleven million, three thousand, two hundred thirty".