20622683236 has 27 divisors (see below), whose sum is σ = 36741943609. Its totient is φ = 10128243968.

The previous prime is 20622683231. The next prime is 20622683251. The reversal of 20622683236 is 63238622602.

The square root of 20622683236 is 143606.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6920576100 + 13702107136 = 83190^2 + 117056^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20622683231) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16944900 + ... + 16946116.

Almost surely, 2^20622683236 is an apocalyptic number.

20622683236 is the 143606-th square number.

It is an amenable number.

20622683236 is a deficient number, since it is larger than the sum of its proper divisors (16119260373).

20622683236 is an frugal number, since it uses more digits than its factorization.

20622683236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 20622683236 in words is "twenty billion, six hundred twenty-two million, six hundred eighty-three thousand, two hundred thirty-six".