20577627406 has 8 divisors (see below), whose sum is σ = 35275932720. Its totient is φ = 8818983168.

The previous prime is 20577627401. The next prime is 20577627439. The reversal of 20577627406 is 60472677502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20577627401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734915251 + ... + 734915278.

It is an arithmetic number, because the mean of its divisors is an integer number (4409491590).

Almost surely, 2^20577627406 is an apocalyptic number.

20577627406 is a deficient number, since it is larger than the sum of its proper divisors (14698305314).

20577627406 is a wasteful number, since it uses less digits than its factorization.

20577627406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469830538.

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 20577627406 in words is "twenty billion, five hundred seventy-seven million, six hundred twenty-seven thousand, four hundred six".