201494900 has 36 divisors (see below), whose sum is σ = 452327820. Its totient is φ = 77817600.

The previous prime is 201494879. The next prime is 201494903. The reversal of 201494900 is 9494102.

It can be written as a sum of positive squares in 6 ways, for example, as 5326864 + 196168036 = 2308^2 + 14006^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201494903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31841 + ... + 37640.

Almost surely, 2^201494900 is an apocalyptic number.

201494900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201494900 is an abundant number, since it is smaller than the sum of its proper divisors (250832920).

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

201494900 is a wasteful number, since it uses less digits than its factorization.

201494900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69524 (or 69517 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 201494900 is about 14194.8899256035. The cubic root of 201494900 is about 586.2569704710.

The spelling of 201494900 in words is "two hundred one million, four hundred ninety-four thousand, nine hundred".