97020018 has 40 divisors (see below), whose sum is σ = 224421120. Its totient is φ = 31295160.

The previous prime is 97020017. The next prime is 97020019. The reversal of 97020018 is 81002079.

It is an interprime number because it is at equal distance from previous prime (97020017) and next prime (97020019).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 97019973 and 97020000.

It is not an unprimeable number, because it can be changed into a prime (97020017) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4638 + ... + 14681.

It is an arithmetic number, because the mean of its divisors is an integer number (5610528).

Almost surely, 2^97020018 is an apocalyptic number.

97020018 is an abundant number, since it is smaller than the sum of its proper divisors (127401102).

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

97020018 is a wasteful number, since it uses less digits than its factorization.

97020018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19364 (or 19355 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 97020018 is about 9849.8740093465. The cubic root of 97020018 is about 459.5016941678.

The spelling of 97020018 in words is "ninety-seven million, twenty thousand, eighteen".