20125702607540 has 48 divisors (see below), whose sum is σ = 44490385067520. Its totient is φ = 7626240927360.

The previous prime is 20125702607537. The next prime is 20125702607551. The reversal of 20125702607540 is 4570620752102.

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, 7404605 + ... + 9750875.

It is an arithmetic number, because the mean of its divisors is an integer number (926883022240).

Almost surely, 2^{20125702607540} is an apocalyptic number.

20125702607540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20125702607540 is an abundant number, since it is smaller than the sum of its proper divisors (24364682459980).

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

20125702607540 is a wasteful number, since it uses less digits than its factorization.

20125702607540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368872 (or 2368870 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 20125702607540 in words is "twenty trillion, one hundred twenty-five billion, seven hundred two million, six hundred seven thousand, five hundred forty".