8121020352 has 28 divisors (see below), whose sum is σ = 21486866856. Its totient is φ = 2707006720.

The previous prime is 8121020339. The next prime is 8121020387. The reversal of 8121020352 is 2530201218.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21148299 + ... + 21148682.

It is an arithmetic number, because the mean of its divisors is an integer number (767388102).

Almost surely, 2^8121020352 is an apocalyptic number.

It is an amenable number.

8121020352 is an abundant number, since it is smaller than the sum of its proper divisors (13365846504).

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

8121020352 is a wasteful number, since it uses less digits than its factorization.

8121020352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42296996 (or 42296986 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 8121020352 is about 90116.7040675590. The cubic root of 8121020352 is about 2010.0345985480.

The spelling of 8121020352 in words is "eight billion, one hundred twenty-one million, twenty thousand, three hundred fifty-two".