20212220102 has 16 divisors (see below), whose sum is σ = 31923317040. Its totient is φ = 9571423968.

The previous prime is 20212220099. The next prime is 20212220111. The reversal of 20212220102 is 20102221202.

It is a congruent 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, 58028 + ... + 209264.

It is an arithmetic number, because the mean of its divisors is an integer number (1995207315).

Almost surely, 2^20212220102 is an apocalyptic number.

20212220102 is a deficient number, since it is larger than the sum of its proper divisors (11711096938).

20212220102 is a wasteful number, since it uses less digits than its factorization.

20212220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154775.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20212220102 its reverse (20102221202), we get a palindrome (40314441304).

The spelling of 20212220102 in words is "twenty billion, two hundred twelve million, two hundred twenty thousand, one hundred two".