20112320210 has 16 divisors (see below), whose sum is σ = 36204216192. Its totient is φ = 8044474800.

The previous prime is 20112320153. The next prime is 20112320233. The reversal of 20112320210 is 1202321102.

It is a happy number.

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, 174665 + ... + 265955.

It is an arithmetic number, because the mean of its divisors is an integer number (2262763512).

Almost surely, 2^20112320210 is an apocalyptic number.

20112320210 is a deficient number, since it is larger than the sum of its proper divisors (16091895982).

20112320210 is a wasteful number, since it uses less digits than its factorization.

20112320210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113329.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20112320210 its reverse (1202321102), we get a palindrome (21314641312).

The spelling of 20112320210 in words is "twenty billion, one hundred twelve million, three hundred twenty thousand, two hundred ten".