97000220 has 12 divisors (see below), whose sum is σ = 203700504. Its totient is φ = 38800080.

The previous prime is 97000213. The next prime is 97000243. The reversal of 97000220 is 2200079.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 4850011 = 97000220 / (9 + 7 + 0 + 0 + 0 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 97000192 and 97000201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2424986 + ... + 2425025.

It is an arithmetic number, because the mean of its divisors is an integer number (16975042).

Almost surely, 2^97000220 is an apocalyptic number.

It is an amenable number.

97000220 is an abundant number, since it is smaller than the sum of its proper divisors (106700284).

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

97000220 is a wasteful number, since it uses less digits than its factorization.

97000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850020 (or 4850018 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 97000220 is about 9848.8689705976. The cubic root of 97000220 is about 459.4704365861.

Adding to 97000220 its reverse (2200079), we get a palindrome (99200299).

The spelling of 97000220 in words is "ninety-seven million, two hundred twenty", and thus it is an aban number.