20313133501452 has 48 divisors (see below), whose sum is σ = 51706530632064. Its totient is φ = 6155450640000.

The previous prime is 20313133501391. The next prime is 20313133501459. The reversal of 20313133501452 is 25410533131302.

It is a super-2 number, since 2×20313133501452² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (20313133501459) by changing a digit.

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, 20990127 + ... + 21936537.

It is an arithmetic number, because the mean of its divisors is an integer number (1077219388168).

Almost surely, 2^{20313133501452} is an apocalyptic number.

20313133501452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20313133501452 is an abundant number, since it is smaller than the sum of its proper divisors (31393397130612).

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

20313133501452 is a wasteful number, since it uses less digits than its factorization.

20313133501452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109030 (or 1109028 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 20313133501452 its reverse (25410533131302), we get a palindrome (45723666632754).

The spelling of 20313133501452 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty-three million, five hundred one thousand, four hundred fifty-two".