20310032010 has 32 divisors (see below), whose sum is σ = 50863386240. Its totient is φ = 5180529728.

The previous prime is 20310032009. The next prime is 20310032047. The reversal of 20310032010 is 1023001302.

It is a happy 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, 14716725 + ... + 14718104.

It is an arithmetic number, because the mean of its divisors is an integer number (1589480820).

Almost surely, 2^20310032010 is an apocalyptic number.

20310032010 is an abundant number, since it is smaller than the sum of its proper divisors (30553354230).

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

20310032010 is a wasteful number, since it uses less digits than its factorization.

20310032010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29434862.

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

Adding to 20310032010 its reverse (1023001302), we get a palindrome (21333033312).

The spelling of 20310032010 in words is "twenty billion, three hundred ten million, thirty-two thousand, ten".