20310322010 has 48 divisors (see below), whose sum is σ = 40831555680. Its totient is φ = 7213741920.

The previous prime is 20310322003. The next prime is 20310322033. The reversal of 20310322010 is 1022301302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153461 + ... + 253319.

It is an arithmetic number, because the mean of its divisors is an integer number (850657410).

Almost surely, 2^20310322010 is an apocalyptic number.

20310322010 is an abundant number, since it is smaller than the sum of its proper divisors (20521233670).

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

20310322010 is a wasteful number, since it uses less digits than its factorization.

20310322010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99963 (or 99920 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20310322010 its reverse (1022301302), we get a palindrome (21332623312).

The spelling of 20310322010 in words is "twenty billion, three hundred ten million, three hundred twenty-two thousand, ten".