20003124210140 has 48 divisors (see below), whose sum is σ = 44312116867200. Its totient is φ = 7563899668032.

The previous prime is 20003124210137. The next prime is 20003124210169. The reversal of 20003124210140 is 4101242130002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56182070 + ... + 56536989.

It is an arithmetic number, because the mean of its divisors is an integer number (923169101400).

Almost surely, 2^{20003124210140} is an apocalyptic number.

20003124210140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20003124210140 is an abundant number, since it is smaller than the sum of its proper divisors (24308992657060).

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

20003124210140 is a wasteful number, since it uses less digits than its factorization.

20003124210140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112719554 (or 112719552 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20003124210140 its reverse (4101242130002), we get a palindrome (24104366340142).

The spelling of 20003124210140 in words is "twenty trillion, three billion, one hundred twenty-four million, two hundred ten thousand, one hundred forty".