20077373252 has 18 divisors (see below), whose sum is σ = 37204356798. Its totient is φ = 9447625792.

The previous prime is 20077373237. The next prime is 20077373263. The reversal of 20077373252 is 25237377002.

It can be written as a sum of positive squares in only one way, i.e., 18896351296 + 1181021956 = 137464^2 + 34366^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1159853 + ... + 1177035.

It is an arithmetic number, because the mean of its divisors is an integer number (2066908711).

Almost surely, 2^20077373252 is an apocalyptic number.

It is an amenable number.

20077373252 is a deficient number, since it is larger than the sum of its proper divisors (17126983546).

20077373252 is an frugal number, since it uses more digits than its factorization.

20077373252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34387 (or 17202 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 38.

The spelling of 20077373252 in words is "twenty billion, seventy-seven million, three hundred seventy-three thousand, two hundred fifty-two".