20312001030 has 32 divisors (see below), whose sum is σ = 51616380384. Its totient is φ = 5097913856.

The previous prime is 20312001029. The next prime is 20312001067. The reversal of 20312001030 is 3010021302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20312000997 and 20312001015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19913217 + ... + 19914236.

It is an arithmetic number, because the mean of its divisors is an integer number (1613011887).

Almost surely, 2^20312001030 is an apocalyptic number.

20312001030 is an abundant number, since it is smaller than the sum of its proper divisors (31304379354).

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

20312001030 is a wasteful number, since it uses less digits than its factorization.

20312001030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39827480.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20312001030 its reverse (3010021302), we get a palindrome (23322022332).

The spelling of 20312001030 in words is "twenty billion, three hundred twelve million, one thousand, thirty".