20007147577 has 8 divisors (see below), whose sum is σ = 20562984576. Its totient is φ = 19456733712.

The previous prime is 20007147571. The next prime is 20007147583. The reversal of 20007147577 is 77574170002.

It is an interprime number because it is at equal distance from previous prime (20007147571) and next prime (20007147583).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20007147577 - 2²⁷ = 19872929849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20007147571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1348303 + ... + 1363060.

It is an arithmetic number, because the mean of its divisors is an integer number (2570373072).

Almost surely, 2^20007147577 is an apocalyptic number.

It is an amenable number.

20007147577 is a deficient number, since it is larger than the sum of its proper divisors (555836999).

20007147577 is a wasteful number, since it uses less digits than its factorization.

20007147577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711567.

The product of its (nonzero) digits is 96040, while the sum is 40.

The spelling of 20007147577 in words is "twenty billion, seven million, one hundred forty-seven thousand, five hundred seventy-seven".