20422609202 has 6 divisors (see below), whose sum is σ = 30634216959. Its totient is φ = 10211203550.

The previous prime is 20422609189. The next prime is 20422609217. The reversal of 20422609202 is 20290622402.

It can be written as a sum of positive squares in only one way, i.e., 10211304601 + 10211304601 = 101051^2 + 101051^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=101051.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 151577 + ... + 252627.

Almost surely, 2^20422609202 is an apocalyptic number.

20422609202 is a deficient number, since it is larger than the sum of its proper divisors (10211607757).

20422609202 is an frugal number, since it uses more digits than its factorization.

20422609202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202104 (or 101053 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 20422609202 in words is "twenty billion, four hundred twenty-two million, six hundred nine thousand, two hundred two".