8520203836380 has 48 divisors (see below), whose sum is σ = 24893812952064. Its totient is φ = 2173269384000.

The previous prime is 8520203836351. The next prime is 8520203836393. The reversal of 8520203836380 is 836383020258.

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, 3087028996 + ... + 3087031755.

It is an arithmetic number, because the mean of its divisors is an integer number (518621103168).

Almost surely, 2^{8520203836380} is an apocalyptic number.

It is an amenable number.

8520203836380 is an abundant number, since it is smaller than the sum of its proper divisors (16373609115684).

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

8520203836380 is a wasteful number, since it uses less digits than its factorization.

8520203836380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174060786 (or 6174060784 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 8520203836380 in words is "eight trillion, five hundred twenty billion, two hundred three million, eight hundred thirty-six thousand, three hundred eighty".