20000312232 has 32 divisors (see below), whose sum is σ = 50219138400. Its totient is φ = 6637656384.

The previous prime is 20000312221. The next prime is 20000312243. The reversal of 20000312232 is 23221300002.

It is an interprime number because it is at equal distance from previous prime (20000312221) and next prime (20000312243).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1814038 + ... + 1825029.

It is an arithmetic number, because the mean of its divisors is an integer number (1569348075).

Almost surely, 2^20000312232 is an apocalyptic number.

It is an amenable number.

20000312232 is an abundant number, since it is smaller than the sum of its proper divisors (30218826168).

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

20000312232 is a wasteful number, since it uses less digits than its factorization.

20000312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639305 (or 3639301 counting only the distinct ones).

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

Adding to 20000312232 its reverse (23221300002), we get a palindrome (43221612234).

The spelling of 20000312232 in words is "twenty billion, three hundred twelve thousand, two hundred thirty-two".