20361150326520 has 256 divisors, whose sum is σ = 68538742272000. Its totient is φ = 5376247147008.

The previous prime is 20361150326441. The next prime is 20361150326537. The reversal of 20361150326520 is 2562305116302.

20361150326520 is a `hidden beast` number, since 2 + 0 + 3 + 61 + 1 + 50 + 3 + 26 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 179230777 + ... + 179344343.

It is an arithmetic number, because the mean of its divisors is an integer number (267729462000).

Almost surely, 2^{20361150326520} is an apocalyptic number.

20361150326520 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 20361150326520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34269371136000).

20361150326520 is an abundant number, since it is smaller than the sum of its proper divisors (48177591945480).

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

20361150326520 is a wasteful number, since it uses less digits than its factorization.

20361150326520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115219 (or 115209 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 20361150326520 in words is "twenty trillion, three hundred sixty-one billion, one hundred fifty million, three hundred twenty-six thousand, five hundred twenty".