168297020 has 12 divisors (see below), whose sum is σ = 353423784. Its totient is φ = 67318800.

The previous prime is 168297013. The next prime is 168297023. The reversal of 168297020 is 20792861.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168297023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4207406 + ... + 4207445.

It is an arithmetic number, because the mean of its divisors is an integer number (29451982).

Almost surely, 2^168297020 is an apocalyptic number.

168297020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168297020 is an abundant number, since it is smaller than the sum of its proper divisors (185126764).

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

168297020 is a wasteful number, since it uses less digits than its factorization.

168297020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8414860 (or 8414858 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 168297020 is about 12972.9341322617. The cubic root of 168297020 is about 552.1098246439.

The spelling of 168297020 in words is "one hundred sixty-eight million, two hundred ninety-seven thousand, twenty".