20117760452 has 12 divisors (see below), whose sum is σ = 35217033516. Its totient is φ = 10055750880.

The previous prime is 20117760437. The next prime is 20117760457. The reversal of 20117760452 is 25406771102.

It can be written as a sum of positive squares in 2 ways, for example, as 15096053956 + 5021706496 = 122866^2 + 70864^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20117760457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767843 + ... + 793610.

It is an arithmetic number, because the mean of its divisors is an integer number (2934752793).

Almost surely, 2^20117760452 is an apocalyptic number.

It is an amenable number.

20117760452 is a deficient number, since it is larger than the sum of its proper divisors (15099273064).

20117760452 is a wasteful number, since it uses less digits than its factorization.

20117760452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564678 (or 1564676 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 20117760452 in words is "twenty billion, one hundred seventeen million, seven hundred sixty thousand, four hundred fifty-two".