20089779675 has 48 divisors (see below), whose sum is σ = 39958037760. Its totient is φ = 8700531840.

The previous prime is 20089779673. The next prime is 20089779791. The reversal of 20089779675 is 57697798002.

It is not a de Polignac number, because 20089779675 - 2¹ = 20089779673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20089779673) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 997032 + ... + 1016981.

It is an arithmetic number, because the mean of its divisors is an integer number (832459120).

Almost surely, 2^20089779675 is an apocalyptic number.

20089779675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20089779675 is a deficient number, since it is larger than the sum of its proper divisors (19868258085).

20089779675 is a wasteful number, since it uses less digits than its factorization.

20089779675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014052 (or 2014047 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 60.

The spelling of 20089779675 in words is "twenty billion, eighty-nine million, seven hundred seventy-nine thousand, six hundred seventy-five".