201340213400 has 96 divisors (see below), whose sum is σ = 475436088000. Its totient is φ = 79286323200.

The previous prime is 201340213387. The next prime is 201340213483. The reversal of 201340213400 is 4312043102.

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 23 ways as a sum of consecutive naturals, for example, 3337505 + ... + 3397295.

It is an arithmetic number, because the mean of its divisors is an integer number (4952459250).

Almost surely, 2^201340213400 is an apocalyptic number.

201340213400 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 201340213400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237718044000).

201340213400 is an abundant number, since it is smaller than the sum of its proper divisors (274095874600).

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

201340213400 is a wasteful number, since it uses less digits than its factorization.

201340213400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60069 (or 60060 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201340213400 its reverse (4312043102), we get a palindrome (205652256502).

The spelling of 201340213400 in words is "two hundred one billion, three hundred forty million, two hundred thirteen thousand, four hundred".