20366074677 has 8 divisors (see below), whose sum is σ = 29243594464. Its totient is φ = 12532969008.

The previous prime is 20366074577. The next prime is 20366074693. The reversal of 20366074677 is 77647066302.

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

It is not a de Polignac number, because 20366074677 - 2⁷ = 20366074549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366074177) 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, 261103483 + ... + 261103560.

It is an arithmetic number, because the mean of its divisors is an integer number (3655449308).

Almost surely, 2^20366074677 is an apocalyptic number.

It is an amenable number.

20366074677 is a deficient number, since it is larger than the sum of its proper divisors (8877519787).

20366074677 is a wasteful number, since it uses less digits than its factorization.

20366074677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522207059.

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

The spelling of 20366074677 in words is "twenty billion, three hundred sixty-six million, seventy-four thousand, six hundred seventy-seven".