20204422132 has 6 divisors (see below), whose sum is σ = 35357738738. Its totient is φ = 10102211064.

The previous prime is 20204422129. The next prime is 20204422163. The reversal of 20204422132 is 23122440202.

It can be written as a sum of positive squares in only one way, i.e., 12831452176 + 7372969956 = 113276^2 + 85866^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525552763 + ... + 2525552770.

Almost surely, 2^20204422132 is an apocalyptic number.

It is an amenable number.

20204422132 is a deficient number, since it is larger than the sum of its proper divisors (15153316606).

20204422132 is a wasteful number, since it uses less digits than its factorization.

20204422132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051105537 (or 5051105535 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20204422132 its reverse (23122440202), we get a palindrome (43326862334).

The spelling of 20204422132 in words is "twenty billion, two hundred four million, four hundred twenty-two thousand, one hundred thirty-two".