20496017152 has 54 divisors (see below), whose sum is σ = 44301222672. Its totient is φ = 9459680256.

The previous prime is 20496017149. The next prime is 20496017159. The reversal of 20496017152 is 25171069402.

It is a super-2 number, since 2×20496017152² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20496017159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 193608 + ... + 280135.

Almost surely, 2^20496017152 is an apocalyptic number.

It is an amenable number.

20496017152 is an abundant number, since it is smaller than the sum of its proper divisors (23805205520).

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

20496017152 is an equidigital number, since it uses as much as digits as its factorization.

20496017152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473785 (or 473758 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 20496017152 in words is "twenty billion, four hundred ninety-six million, seventeen thousand, one hundred fifty-two".