70397242020 has 192 divisors, whose sum is σ = 255627509760. Its totient is φ = 15748401024.

The previous prime is 70397242001. The next prime is 70397242049. The reversal of 70397242020 is 2024279307.

70397242020 is a `hidden beast` number, since 7 + 0 + 397 + 242 + 0 + 20 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20464 + ... + 375783.

It is an arithmetic number, because the mean of its divisors is an integer number (1331393280).

Almost surely, 2^70397242020 is an apocalyptic number.

70397242020 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 70397242020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127813754880).

70397242020 is an abundant number, since it is smaller than the sum of its proper divisors (185230267740).

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

70397242020 is a wasteful number, since it uses less digits than its factorization.

70397242020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396319 (or 396311 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The spelling of 70397242020 in words is "seventy billion, three hundred ninety-seven million, two hundred forty-two thousand, twenty".