201654442 has 32 divisors (see below), whose sum is σ = 360681984. Its totient is φ = 83481600.

The previous prime is 201654437. The next prime is 201654491. The reversal of 201654442 is 244456102.

It is a self number, because there is not a number n which added to its sum of digits gives 201654442.

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, 2898 + ... + 20290.

It is an arithmetic number, because the mean of its divisors is an integer number (11271312).

Almost surely, 2^201654442 is an apocalyptic number.

201654442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201654442 is a deficient number, since it is larger than the sum of its proper divisors (159027542).

201654442 is a wasteful number, since it uses less digits than its factorization.

201654442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17454.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 201654442 is about 14200.5085120217. The cubic root of 201654442 is about 586.4116607954.

The spelling of 201654442 in words is "two hundred one million, six hundred fifty-four thousand, four hundred forty-two".