201698940 has 48 divisors (see below), whose sum is σ = 574025760. Its totient is φ = 52903680.

The previous prime is 201698933. The next prime is 201698953. The reversal of 201698940 is 49896102.

201698940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23895 + ... + 31214.

It is an arithmetic number, because the mean of its divisors is an integer number (11958870).

Almost surely, 2^201698940 is an apocalyptic number.

201698940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201698940 is an abundant number, since it is smaller than the sum of its proper divisors (372326820).

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

201698940 is a wasteful number, since it uses less digits than its factorization.

201698940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55182 (or 55180 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 201698940 is about 14202.0752004769. The cubic root of 201698940 is about 586.4547910577.

The spelling of 201698940 in words is "two hundred one million, six hundred ninety-eight thousand, nine hundred forty".