201262337721220 has 12 divisors (see below), whose sum is σ = 422650909214604. Its totient is φ = 80504935088480.

The previous prime is 201262337721149. The next prime is 201262337721223. The reversal of 201262337721220 is 22127733262102.

It can be written as a sum of positive squares in 2 ways, for example, as 147437489203456 + 53824848517764 = 12142384^2 + 7336542^2 .

It is not an unprimeable number, because it can be changed into a prime (201262337721223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5031558443011 + ... + 5031558443050.

It is an arithmetic number, because the mean of its divisors is an integer number (35220909101217).

Almost surely, 2^{201262337721220} is an apocalyptic number.

201262337721220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201262337721220 is an abundant number, since it is smaller than the sum of its proper divisors (221388571493384).

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

201262337721220 is a wasteful number, since it uses less digits than its factorization.

201262337721220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10063116886070 (or 10063116886068 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 201262337721220 in words is "two hundred one trillion, two hundred sixty-two billion, three hundred thirty-seven million, seven hundred twenty-one thousand, two hundred twenty".