20757270247260 has 48 divisors (see below), whose sum is σ = 59691177149856. Its totient is φ = 5385670117632.

The previous prime is 20757270247213. The next prime is 20757270247313. The reversal of 20757270247260 is 6274207275702.

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, 4675058647 + ... + 4675063086.

It is an arithmetic number, because the mean of its divisors is an integer number (1243566190622).

Almost surely, 2^{20757270247260} is an apocalyptic number.

20757270247260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20757270247260 is an abundant number, since it is smaller than the sum of its proper divisors (38933906902596).

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

20757270247260 is a wasteful number, since it uses less digits than its factorization.

20757270247260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9350121782 (or 9350121780 counting only the distinct ones).

The product of its (nonzero) digits is 4609920, while the sum is 51.

The spelling of 20757270247260 in words is "twenty trillion, seven hundred fifty-seven billion, two hundred seventy million, two hundred forty-seven thousand, two hundred sixty".