20024312031200 has 72 divisors (see below), whose sum is σ = 48894689398968. Its totient is φ = 8008030983680.

The previous prime is 20024312031197. The next prime is 20024312031233. The reversal of 20024312031200 is 213021342002.

It is a super-2 number, since 2×20024312031200² (a number of 27 digits) contains 22 as substring.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1142159 + ... + 6430641.

It is an arithmetic number, because the mean of its divisors is an integer number (679092908319).

Almost surely, 2^{20024312031200} is an apocalyptic number.

20024312031200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20024312031200 is an abundant number, since it is smaller than the sum of its proper divisors (28870377367768).

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

20024312031200 is a wasteful number, since it uses less digits than its factorization.

20024312031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293236 (or 5293223 counting only the distinct ones).

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

Adding to 20024312031200 its reverse (213021342002), we get a palindrome (20237333373202).

The spelling of 20024312031200 in words is "twenty trillion, twenty-four billion, three hundred twelve million, thirty-one thousand, two hundred".