201220214340 has 48 divisors (see below), whose sum is σ = 563648202432. Its totient is φ = 53636666496.

The previous prime is 201220214309. The next prime is 201220214341. The reversal of 201220214340 is 43412022102.

201220214340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201220214341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541854 + ... + 834293.

It is an arithmetic number, because the mean of its divisors is an integer number (11742670884).

Almost surely, 2^201220214340 is an apocalyptic number.

201220214340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201220214340 is an abundant number, since it is smaller than the sum of its proper divisors (362427988092).

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

201220214340 is a wasteful number, since it uses less digits than its factorization.

201220214340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378596 (or 1378594 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 201220214340 its reverse (43412022102), we get a palindrome (244632236442).

The spelling of 201220214340 in words is "two hundred one billion, two hundred twenty million, two hundred fourteen thousand, three hundred forty".