36520947949920 has 384 divisors, whose sum is σ = 133299533316096. Its totient is φ = 8232528254976.

The previous prime is 36520947949901. The next prime is 36520947949931. The reversal of 36520947949920 is 2994974902563.

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, 79945197 + ... + 80400723.

It is an arithmetic number, because the mean of its divisors is an integer number (347134201344).

Almost surely, 2^{36520947949920} is an apocalyptic number.

36520947949920 is a gapful number since it is divisible by the number (30) 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 36520947949920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66649766658048).

36520947949920 is an abundant number, since it is smaller than the sum of its proper divisors (96778585366176).

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

36520947949920 is a wasteful number, since it uses less digits than its factorization.

36520947949920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455882 (or 455874 counting only the distinct ones).

The product of its (nonzero) digits is 264539520, while the sum is 69.

The spelling of 36520947949920 in words is "thirty-six trillion, five hundred twenty billion, nine hundred forty-seven million, nine hundred forty-nine thousand, nine hundred twenty".