203122002 has 16 divisors (see below), whose sum is σ = 407418912. Its totient is φ = 67511520.

The previous prime is 203121991. The next prime is 203122019. The reversal of 203122002 is 200221302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46699 + ... + 50862.

It is an arithmetic number, because the mean of its divisors is an integer number (25463682).

Almost surely, 2^203122002 is an apocalyptic number.

203122002 is an abundant number, since it is smaller than the sum of its proper divisors (204296910).

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

203122002 is a wasteful number, since it uses less digits than its factorization.

203122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97913.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 203122002 is about 14252.0876365535. The cubic root of 203122002 is about 587.8307798949.

Adding to 203122002 its reverse (200221302), we get a palindrome (403343304).

The spelling of 203122002 in words is "two hundred three million, one hundred twenty-two thousand, two".