201213737220 has 48 divisors (see below), whose sum is σ = 568976683968. Its totient is φ = 53125737600.

The previous prime is 201213737209. The next prime is 201213737239. The reversal of 201213737220 is 22737312102.

201213737220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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, 16595734 + ... + 16607853.

It is an arithmetic number, because the mean of its divisors is an integer number (11853680916).

Almost surely, 2^201213737220 is an apocalyptic number.

201213737220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201213737220 is an abundant number, since it is smaller than the sum of its proper divisors (367762946748).

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

201213737220 is a wasteful number, since it uses less digits than its factorization.

201213737220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33203700 (or 33203698 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 201213737220 in words is "two hundred one billion, two hundred thirteen million, seven hundred thirty-seven thousand, two hundred twenty".