201390560 has 48 divisors (see below), whose sum is σ = 543757536. Its totient is φ = 69047808.

The previous prime is 201390523. The next prime is 201390583. The reversal of 201390560 is 65093102.

It is a super-2 number, since 2×201390560² = 81116315314227200, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88787 + ... + 91026.

It is an arithmetic number, because the mean of its divisors is an integer number (11328282).

Almost surely, 2^201390560 is an apocalyptic number.

201390560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201390560 is an abundant number, since it is smaller than the sum of its proper divisors (342366976).

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

201390560 is a wasteful number, since it uses less digits than its factorization.

201390560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179835 (or 179827 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 201390560 is about 14191.2141834305. The cubic root of 201390560 is about 586.1557592842.

The spelling of 201390560 in words is "two hundred one million, three hundred ninety thousand, five hundred sixty".