20310036504 has 64 divisors (see below), whose sum is σ = 52278035040. Its totient is φ = 6571299840.

The previous prime is 20310036457. The next prime is 20310036517. The reversal of 20310036504 is 40563001302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 141462 + ... + 246234.

Almost surely, 2^20310036504 is an apocalyptic number.

20310036504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20310036504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26139017520).

20310036504 is an abundant number, since it is smaller than the sum of its proper divisors (31967998536).

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

20310036504 is a wasteful number, since it uses less digits than its factorization.

20310036504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105020 (or 105016 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 20310036504 its reverse (40563001302), we get a palindrome (60873037806).

The spelling of 20310036504 in words is "twenty billion, three hundred ten million, thirty-six thousand, five hundred four".