203031202222002 has 96 divisors (see below), whose sum is σ = 517889420236800. Its totient is φ = 52470375138720.

The previous prime is 203031202222001. The next prime is 203031202222063. The reversal of 203031202222002 is 200222202130302.

It is a super-2 number, since 2×203031202222002² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 203031202222002.

It is not an unprimeable number, because it can be changed into a prime (203031202222001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157095658 + ... + 158382789.

It is an arithmetic number, because the mean of its divisors is an integer number (5394681460800).

Almost surely, 2^{203031202222002} is an apocalyptic number.

203031202222002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203031202222002 is an abundant number, since it is smaller than the sum of its proper divisors (314858218014798).

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

203031202222002 is a wasteful number, since it uses less digits than its factorization.

203031202222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315478676 (or 315478669 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 203031202222002 its reverse (200222202130302), we get a palindrome (403253404352304).

The spelling of 203031202222002 in words is "two hundred three trillion, thirty-one billion, two hundred two million, two hundred twenty-two thousand, two".