20116755501464 has 32 divisors (see below), whose sum is σ = 37781483950800. Its totient is φ = 10041694523520.

The previous prime is 20116755501463. The next prime is 20116755501467. The reversal of 20116755501464 is 46410555761102.

It is a super-2 number, since 2×20116755501464² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116755501463) 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, 135793994 + ... + 135942054.

Almost surely, 2^{20116755501464} is an apocalyptic number.

It is an amenable number.

20116755501464 is a deficient number, since it is larger than the sum of its proper divisors (17664728449336).

20116755501464 is a wasteful number, since it uses less digits than its factorization.

20116755501464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176123 (or 176119 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 20116755501464 in words is "twenty trillion, one hundred sixteen billion, seven hundred fifty-five million, five hundred one thousand, four hundred sixty-four".