201023220320240 has 20 divisors (see below), whose sum is σ = 467378987244744. Its totient is φ = 80409288128064.

The previous prime is 201023220320239. The next prime is 201023220320341. The reversal of 201023220320240 is 42023022320102.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256395126922 + ... + 1256395127081.

Almost surely, 2^{201023220320240} is an apocalyptic number.

201023220320240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201023220320240 is an abundant number, since it is smaller than the sum of its proper divisors (266355766924504).

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

201023220320240 is a wasteful number, since it uses less digits than its factorization.

201023220320240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512790254016 (or 2512790254010 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 201023220320240 its reverse (42023022320102), we get a palindrome (243046242640342).

The spelling of 201023220320240 in words is "two hundred one trillion, twenty-three billion, two hundred twenty million, three hundred twenty thousand, two hundred forty".