20880156007336 has 32 divisors (see below), whose sum is σ = 39184289865000. Its totient is φ = 10431014404096.

The previous prime is 20880156007303. The next prime is 20880156007339. The reversal of 20880156007336 is 63370065108802.

It can be written as a sum of positive squares in 4 ways, for example, as 20120661187236 + 759494820100 = 4485606^2 + 871490^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20880156007336.

It is not an unprimeable number, because it can be changed into a prime (20880156007339) 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, 72549510 + ... + 72836746.

Almost surely, 2^{20880156007336} is an apocalyptic number.

It is an amenable number.

20880156007336 is a deficient number, since it is larger than the sum of its proper divisors (18304133857664).

20880156007336 is a wasteful number, since it uses less digits than its factorization.

20880156007336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295101 (or 295097 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 20880156007336 in words is "twenty trillion, eight hundred eighty billion, one hundred fifty-six million, seven thousand, three hundred thirty-six".