20314690775 has 12 divisors (see below), whose sum is σ = 26285444112. Its totient is φ = 15545154240.

The previous prime is 20314690771. The next prime is 20314690777. The reversal of 20314690775 is 57709641302.

It is not a de Polignac number, because 20314690775 - 2² = 20314690771 is a prime.

It is a super-2 number, since 2×20314690775² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20314690771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17664374 + ... + 17665523.

It is an arithmetic number, because the mean of its divisors is an integer number (2190453676).

Almost surely, 2^20314690775 is an apocalyptic number.

20314690775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20314690775 is a deficient number, since it is larger than the sum of its proper divisors (5970753337).

20314690775 is a wasteful number, since it uses less digits than its factorization.

20314690775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35329930 (or 35329925 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 20314690775 in words is "twenty billion, three hundred fourteen million, six hundred ninety thousand, seven hundred seventy-five".