201020122002 has 32 divisors (see below), whose sum is σ = 459595118592. Its totient is φ = 57419251344.

The previous prime is 201020122001. The next prime is 201020122019. The reversal of 201020122002 is 200221020102.

It is not an unprimeable number, because it can be changed into a prime (201020122001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465408 + ... + 786539.

It is an arithmetic number, because the mean of its divisors is an integer number (14362347456).

Almost surely, 2^201020122002 is an apocalyptic number.

201020122002 is an abundant number, since it is smaller than the sum of its proper divisors (258574996590).

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

201020122002 is a wasteful number, since it uses less digits than its factorization.

201020122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255782.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 201020122002 its reverse (200221020102), we get a palindrome (401241142104).

The spelling of 201020122002 in words is "two hundred one billion, twenty million, one hundred twenty-two thousand, two".