201312460 has 48 divisors (see below), whose sum is σ = 434875392. Its totient is φ = 78233600.

The previous prime is 201312457. The next prime is 201312499. The reversal of 201312460 is 64213102.

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, 313740 + ... + 314380.

It is an arithmetic number, because the mean of its divisors is an integer number (9059904).

Almost surely, 2^201312460 is an apocalyptic number.

201312460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201312460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217437696).

201312460 is an abundant number, since it is smaller than the sum of its proper divisors (233562932).

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

201312460 is a wasteful number, since it uses less digits than its factorization.

201312460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 201312460 is about 14188.4622140668. The cubic root of 201312460 is about 586.0799783674.

Adding to 201312460 its reverse (64213102), we get a palindrome (265525562).

The spelling of 201312460 in words is "two hundred one million, three hundred twelve thousand, four hundred sixty".