20310124340 has 48 divisors (see below), whose sum is σ = 46989379584. Its totient is φ = 7312368000.

The previous prime is 20310124333. The next prime is 20310124363. The reversal of 20310124340 is 4342101302.

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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434804 + ... + 479243.

It is an arithmetic number, because the mean of its divisors is an integer number (978945408).

Almost surely, 2^20310124340 is an apocalyptic number.

20310124340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20310124340 is an abundant number, since it is smaller than the sum of its proper divisors (26679255244).

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

20310124340 is a wasteful number, since it uses less digits than its factorization.

20310124340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914168 (or 914166 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20310124340 its reverse (4342101302), we get a palindrome (24652225642).

The spelling of 20310124340 in words is "twenty billion, three hundred ten million, one hundred twenty-four thousand, three hundred forty".