20607177032436 has 24 divisors (see below), whose sum is σ = 48378403344544. Its totient is φ = 6826917543840.

The previous prime is 20607177032413. The next prime is 20607177032443. The reversal of 20607177032436 is 63423077170602.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5267681335 + ... + 5267685246.

Almost surely, 2^{20607177032436} is an apocalyptic number.

It is an amenable number.

20607177032436 is an abundant number, since it is smaller than the sum of its proper divisors (27771226312108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20607177032436 is a wasteful number, since it uses less digits than its factorization.

20607177032436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10535366751 (or 10535366749 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 48.

The spelling of 20607177032436 in words is "twenty trillion, six hundred seven billion, one hundred seventy-seven million, thirty-two thousand, four hundred thirty-six".