20501155200576 has 112 divisors (see below), whose sum is σ = 54810853771520. Its totient is φ = 6762452728320.

The previous prime is 20501155200563. The next prime is 20501155200593. The reversal of 20501155200576 is 67500255110502.

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, 6942111 + ... + 9444321.

It is an arithmetic number, because the mean of its divisors is an integer number (489382622960).

Almost surely, 2^{20501155200576} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20501155200576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27405426885760).

20501155200576 is an abundant number, since it is smaller than the sum of its proper divisors (34309698570944).

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

20501155200576 is a wasteful number, since it uses less digits than its factorization.

20501155200576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502672 (or 2502662 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 39.

The spelling of 20501155200576 in words is "twenty trillion, five hundred one billion, one hundred fifty-five million, two hundred thousand, five hundred seventy-six".