20606364532 has 12 divisors (see below), whose sum is σ = 38835071716. Its totient is φ = 9510629760.

The previous prime is 20606364517. The next prime is 20606364551. The reversal of 20606364532 is 23546360602.

It can be written as a sum of positive squares in 2 ways, for example, as 4007649636 + 16598714896 = 63306^2 + 128836^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20606364491 and 20606364500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198138069 + ... + 198138172.

Almost surely, 2^20606364532 is an apocalyptic number.

It is an amenable number.

20606364532 is a deficient number, since it is larger than the sum of its proper divisors (18228707184).

20606364532 is a wasteful number, since it uses less digits than its factorization.

20606364532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396276258 (or 396276256 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

The spelling of 20606364532 in words is "twenty billion, six hundred six million, three hundred sixty-four thousand, five hundred thirty-two".