162813020 has 12 divisors (see below), whose sum is σ = 341907384. Its totient is φ = 65125200.

The previous prime is 162813017. The next prime is 162813041. The reversal of 162813020 is 20318261.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4070306 + ... + 4070345.

It is an arithmetic number, because the mean of its divisors is an integer number (28492282).

Almost surely, 2^162813020 is an apocalyptic number.

162813020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162813020 is an abundant number, since it is smaller than the sum of its proper divisors (179094364).

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

162813020 is a wasteful number, since it uses less digits than its factorization.

162813020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140660 (or 8140658 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 162813020 is about 12759.8205316533. The cubic root of 162813020 is about 546.0466042773.

The spelling of 162813020 in words is "one hundred sixty-two million, eight hundred thirteen thousand, twenty".