20255350677 has 8 divisors (see below), whose sum is σ = 27125070240. Its totient is φ = 13444599120.

The previous prime is 20255350673. The next prime is 20255350693. The reversal of 20255350677 is 77605355202.

It is a happy number.

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

It is not a de Polignac number, because 20255350677 - 2² = 20255350673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20255350673) 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, 14741199 + ... + 14742572.

It is an arithmetic number, because the mean of its divisors is an integer number (3390633780).

Almost surely, 2^20255350677 is an apocalyptic number.

It is an amenable number.

20255350677 is a deficient number, since it is larger than the sum of its proper divisors (6869719563).

20255350677 is a wasteful number, since it uses less digits than its factorization.

20255350677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29484003.

The product of its (nonzero) digits is 441000, while the sum is 42.

The spelling of 20255350677 in words is "twenty billion, two hundred fifty-five million, three hundred fifty thousand, six hundred seventy-seven".