201420113240 has 64 divisors (see below), whose sum is σ = 468237369600. Its totient is φ = 77930278272.

The previous prime is 201420113239. The next prime is 201420113281. The reversal of 201420113240 is 42311024102.

It is a super-2 number, since 2×201420113240² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 391310 + ... + 745629.

It is an arithmetic number, because the mean of its divisors is an integer number (7316208900).

Almost surely, 2^201420113240 is an apocalyptic number.

201420113240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201420113240 is an abundant number, since it is smaller than the sum of its proper divisors (266817256360).

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

201420113240 is a wasteful number, since it uses less digits than its factorization.

201420113240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137096 (or 1137092 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201420113240 its reverse (42311024102), we get a palindrome (243731137342).

The spelling of 201420113240 in words is "two hundred one billion, four hundred twenty million, one hundred thirteen thousand, two hundred forty".