20015567088120 has 224 divisors, whose sum is σ = 67560783566400. Its totient is φ = 5334391178496.

The previous prime is 20015567088113. The next prime is 20015567088133. The reversal of 20015567088120 is 2188076551002.

20015567088120 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 5 + 567 + 0 + 8 + 81 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 50336241 + ... + 50732319.

Almost surely, 2^{20015567088120} is an apocalyptic number.

20015567088120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20015567088120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33780391783200).

20015567088120 is an abundant number, since it is smaller than the sum of its proper divisors (47545216478280).

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

20015567088120 is a wasteful number, since it uses less digits than its factorization.

20015567088120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397841 (or 397822 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 20015567088120 in words is "twenty trillion, fifteen billion, five hundred sixty-seven million, eighty-eight thousand, one hundred twenty".