20245731456252 has 48 divisors (see below), whose sum is σ = 48764582157312. Its totient is φ = 6530791405440.

The previous prime is 20245731456233. The next prime is 20245731456263. The reversal of 20245731456252 is 25265413754202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30073243 + ... + 30739085.

It is an arithmetic number, because the mean of its divisors is an integer number (1015928794944).

Almost surely, 2^{20245731456252} is an apocalyptic number.

It is an amenable number.

20245731456252 is an abundant number, since it is smaller than the sum of its proper divisors (28518850701060).

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

20245731456252 is a wasteful number, since it uses less digits than its factorization.

20245731456252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747618 (or 747616 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 48.

The spelling of 20245731456252 in words is "twenty trillion, two hundred forty-five billion, seven hundred thirty-one million, four hundred fifty-six thousand, two hundred fifty-two".