20211002204 has 12 divisors (see below), whose sum is σ = 35525067144. Its totient is φ = 10060983024.

The previous prime is 20211002191. The next prime is 20211002243. The reversal of 20211002204 is 40220011202.

It is a super-2 number, since 2×20211002204² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11128499 + ... + 11130314.

It is an arithmetic number, because the mean of its divisors is an integer number (2960422262).

Almost surely, 2^20211002204 is an apocalyptic number.

It is an amenable number.

20211002204 is a deficient number, since it is larger than the sum of its proper divisors (15314064940).

20211002204 is a wasteful number, since it uses less digits than its factorization.

20211002204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22259044 (or 22259042 counting only the distinct ones).

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

Adding to 20211002204 its reverse (40220011202), we get a palindrome (60431013406).

The spelling of 20211002204 in words is "twenty billion, two hundred eleven million, two thousand, two hundred four".