201023220320238 has 16 divisors (see below), whose sum is σ = 402082061086080. Its totient is φ = 67001803365816.

The previous prime is 201023220320189. The next prime is 201023220320239. The reversal of 201023220320238 is 832023022320102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201023220320239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484111868 + ... + 1484247311.

It is an arithmetic number, because the mean of its divisors is an integer number (25130128817880).

Almost surely, 2^{201023220320238} is an apocalyptic number.

201023220320238 is an abundant number, since it is smaller than the sum of its proper divisors (201058840765842).

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

201023220320238 is a wasteful number, since it uses less digits than its factorization.

201023220320238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968370471.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 201023220320238 in words is "two hundred one trillion, twenty-three billion, two hundred twenty million, three hundred twenty thousand, two hundred thirty-eight".