651116502030020 has 96 divisors (see below), whose sum is σ = 1540418242099968. Its totient is φ = 229380296504832.

The previous prime is 651116502029941. The next prime is 651116502030023. The reversal of 651116502030020 is 20030205611156.

It is not an unprimeable number, because it can be changed into a prime (651116502030023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134757374 + ... + 139505493.

It is an arithmetic number, because the mean of its divisors is an integer number (16046023355208).

Almost surely, 2^{651116502030020} is an apocalyptic number.

It is an amenable number.

651116502030020 is an abundant number, since it is smaller than the sum of its proper divisors (889301740069948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651116502030020 is a wasteful number, since it uses less digits than its factorization.

651116502030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274263309 (or 274263307 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 651116502030020 its reverse (20030205611156), we get a palindrome (671146707641176).

The spelling of 651116502030020 in words is "six hundred fifty-one trillion, one hundred sixteen billion, five hundred two million, thirty thousand, twenty".