70020160 has 56 divisors (see below), whose sum is σ = 190560960. Its totient is φ = 24006144.

The previous prime is 70020133. The next prime is 70020163. The reversal of 70020160 is 6102007.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (70020163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13390 + ... + 17869.

Almost surely, 2^70020160 is an apocalyptic number.

70020160 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70020160 is an abundant number, since it is smaller than the sum of its proper divisors (120540800).

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

70020160 is a wasteful number, since it uses less digits than its factorization.

70020160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31283 (or 31273 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 70020160 is about 8367.8049690465. The cubic root of 70020160 is about 412.1680905222.

Adding to 70020160 its reverse (6102007), we get a palindrome (76122167).

The spelling of 70020160 in words is "seventy million, twenty thousand, one hundred sixty".