20310221110 has 32 divisors (see below), whose sum is σ = 36917236512. Its totient is φ = 8044485120.

The previous prime is 20310221101. The next prime is 20310221117. The reversal of 20310221110 is 1112201302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310221117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1254165 + ... + 1270255.

It is an arithmetic number, because the mean of its divisors is an integer number (1153663641).

Almost surely, 2^20310221110 is an apocalyptic number.

20310221110 is a deficient number, since it is larger than the sum of its proper divisors (16607015402).

20310221110 is a wasteful number, since it uses less digits than its factorization.

20310221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17328.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20310221110 its reverse (1112201302), we get a palindrome (21422422412).

The spelling of 20310221110 in words is "twenty billion, three hundred ten million, two hundred twenty-one thousand, one hundred ten".