202103213004 has 144 divisors (see below), whose sum is σ = 657477789696. Its totient is φ = 50800953600.

The previous prime is 202103212979. The next prime is 202103213027. The reversal of 202103213004 is 400312301202.

202103213004 is a `hidden beast` number, since 20 + 21 + 0 + 321 + 300 + 4 = 666.

202103213004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1090017 + ... + 1261880.

It is an arithmetic number, because the mean of its divisors is an integer number (4565817984).

Almost surely, 2^202103213004 is an apocalyptic number.

It is an amenable number.

202103213004 is an abundant number, since it is smaller than the sum of its proper divisors (455374576692).

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

202103213004 is a wasteful number, since it uses less digits than its factorization.

202103213004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351956 (or 2351951 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202103213004 its reverse (400312301202), we get a palindrome (602415514206).

The spelling of 202103213004 in words is "two hundred two billion, one hundred three million, two hundred thirteen thousand, four".