20547634396 has 12 divisors (see below), whose sum is σ = 37118307520. Its totient is φ = 9942403680.

The previous prime is 20547634337. The next prime is 20547634403. The reversal of 20547634396 is 69343674502.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82853241 + ... + 82853488.

Almost surely, 2^20547634396 is an apocalyptic number.

It is an amenable number.

20547634396 is a deficient number, since it is larger than the sum of its proper divisors (16570673124).

20547634396 is a wasteful number, since it uses less digits than its factorization.

20547634396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165706764 (or 165706762 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 20547634396 in words is "twenty billion, five hundred forty-seven million, six hundred thirty-four thousand, three hundred ninety-six".