70020351243 has 12 divisors (see below), whose sum is σ = 101277378280. Its totient is φ = 46617062976.

The previous prime is 70020351211. The next prime is 70020351253. The reversal of 70020351243 is 34215302007.

70020351243 is a `hidden beast` number, since 70 + 0 + 2 + 0 + 351 + 243 = 666.

It is not a de Polignac number, because 70020351243 - 2⁵ = 70020351211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70020351253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5257246 + ... + 5270547.

Almost surely, 2^70020351243 is an apocalyptic number.

70020351243 is a deficient number, since it is larger than the sum of its proper divisors (31257027037).

70020351243 is a wasteful number, since it uses less digits than its factorization.

70020351243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10528538 (or 10528535 counting only the distinct ones).

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

The spelling of 70020351243 in words is "seventy billion, twenty million, three hundred fifty-one thousand, two hundred forty-three".