20344010500516 has 24 divisors (see below), whose sum is σ = 37479895548480. Its totient is φ = 9635585679072.

The previous prime is 20344010500453. The next prime is 20344010500603. The reversal of 20344010500516 is 61500501044302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13893736 + ... + 15288031.

It is an arithmetic number, because the mean of its divisors is an integer number (1561662314520).

Almost surely, 2^{20344010500516} is an apocalyptic number.

It is an amenable number.

20344010500516 is a deficient number, since it is larger than the sum of its proper divisors (17135885047964).

20344010500516 is a wasteful number, since it uses less digits than its factorization.

20344010500516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29190963 (or 29190961 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 20344010500516 its reverse (61500501044302), we get a palindrome (81844511544818).

The spelling of 20344010500516 in words is "twenty trillion, three hundred forty-four billion, ten million, five hundred thousand, five hundred sixteen".