20372001252 has 12 divisors (see below), whose sum is σ = 47534669616. Its totient is φ = 6790667080.

The previous prime is 20372001241. The next prime is 20372001269. The reversal of 20372001252 is 25210027302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20372001252² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848833374 + ... + 848833397.

It is an arithmetic number, because the mean of its divisors is an integer number (3961222468).

Almost surely, 2^20372001252 is an apocalyptic number.

It is an amenable number.

20372001252 is an abundant number, since it is smaller than the sum of its proper divisors (27162668364).

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

20372001252 is a wasteful number, since it uses less digits than its factorization.

20372001252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697666778 (or 1697666776 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

Adding to 20372001252 its reverse (25210027302), we get a palindrome (45582028554).

The spelling of 20372001252 in words is "twenty billion, three hundred seventy-two million, one thousand, two hundred fifty-two".