20496768753513 has 32 divisors (see below), whose sum is σ = 30381202604032. Its totient is φ = 12206291630400.

The previous prime is 20496768753493. The next prime is 20496768753521. The reversal of 20496768753513 is 31535786769402.

It is a happy number.

It is not a de Polignac number, because 20496768753513 - 2¹⁷ = 20496768622441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20496768743513) 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, 87374568 + ... + 87608838.

It is an arithmetic number, because the mean of its divisors is an integer number (949412581376).

It is a 1-persistent number, because it is pandigital, but 2⋅20496768753513 = 40993537507026 is not.

Almost surely, 2^{20496768753513} is an apocalyptic number.

It is an amenable number.

20496768753513 is a deficient number, since it is larger than the sum of its proper divisors (9884433850519).

20496768753513 is a wasteful number, since it uses less digits than its factorization.

20496768753513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306685.

The product of its (nonzero) digits is 228614400, while the sum is 66.

The spelling of 20496768753513 in words is "twenty trillion, four hundred ninety-six billion, seven hundred sixty-eight million, seven hundred fifty-three thousand, five hundred thirteen".