201420940 has 24 divisors (see below), whose sum is σ = 483410592. Its totient is φ = 69058560.

The previous prime is 201420931. The next prime is 201420941. The reversal of 201420940 is 49024102.

It is a super-3 number, since 3×201420940³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (201420941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719221 + ... + 719500.

It is an arithmetic number, because the mean of its divisors is an integer number (20142108).

Almost surely, 2^201420940 is an apocalyptic number.

201420940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201420940 is an abundant number, since it is smaller than the sum of its proper divisors (281989652).

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

201420940 is a wasteful number, since it uses less digits than its factorization.

201420940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438737 (or 1438735 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 201420940 is about 14192.2845236417. The cubic root of 201420940 is about 586.1852318947.

The spelling of 201420940 in words is "two hundred one million, four hundred twenty thousand, nine hundred forty".