70306522020 has 576 divisors, whose sum is σ = 262711814400. Its totient is φ = 15554488320.

The previous prime is 70306522007. The next prime is 70306522021. The reversal of 70306522020 is 2022560307.

70306522020 is a `hidden beast` number, since 7 + 0 + 3 + 0 + 652 + 2 + 0 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (70306522021) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 248432799 + ... + 248433081.

It is an arithmetic number, because the mean of its divisors is an integer number (456096900).

Almost surely, 2^70306522020 is an apocalyptic number.

70306522020 is a gapful number since it is divisible by the number (70) 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 70306522020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131355907200).

70306522020 is an abundant number, since it is smaller than the sum of its proper divisors (192405292380).

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

70306522020 is a wasteful number, since it uses less digits than its factorization.

70306522020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The spelling of 70306522020 in words is "seventy billion, three hundred six million, five hundred twenty-two thousand, twenty".