201460013520 has 80 divisors (see below), whose sum is σ = 624616926720. Its totient is φ = 53714852352.

The previous prime is 201460013519. The next prime is 201460013537. The reversal of 201460013520 is 25310064102.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×201460013520² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1696737 + ... + 1811583.

It is an arithmetic number, because the mean of its divisors is an integer number (7807711584).

Almost surely, 2^201460013520 is an apocalyptic number.

201460013520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201460013520 is an abundant number, since it is smaller than the sum of its proper divisors (423156913200).

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

201460013520 is a wasteful number, since it uses less digits than its factorization.

201460013520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122172 (or 122166 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 201460013520 its reverse (25310064102), we get a palindrome (226770077622).

The spelling of 201460013520 in words is "two hundred one billion, four hundred sixty million, thirteen thousand, five hundred twenty".