220097912 has 16 divisors (see below), whose sum is σ = 436959360. Its totient is φ = 103575424.

The previous prime is 220097869. The next prime is 220097939. The reversal of 220097912 is 219790022.

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, 809048 + ... + 809319.

It is an arithmetic number, because the mean of its divisors is an integer number (27309960).

Almost surely, 2^220097912 is an apocalyptic number.

It is an amenable number.

220097912 is a deficient number, since it is larger than the sum of its proper divisors (216861448).

220097912 is a wasteful number, since it uses less digits than its factorization.

220097912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618390 (or 1618386 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 220097912 is about 14835.6972198815. The cubic root of 220097912 is about 603.7706173991.

The spelling of 220097912 in words is "two hundred twenty million, ninety-seven thousand, nine hundred twelve".