202155004 has 24 divisors (see below), whose sum is σ = 375419520. Its totient is φ = 95041584.

The previous prime is 202154971. The next prime is 202155071. The reversal of 202155004 is 400551202.

202155004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13194 + ... + 24049.

It is an arithmetic number, because the mean of its divisors is an integer number (15642480).

Almost surely, 2^202155004 is an apocalyptic number.

It is an amenable number.

202155004 is a deficient number, since it is larger than the sum of its proper divisors (173264516).

202155004 is a wasteful number, since it uses less digits than its factorization.

202155004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37329 (or 37327 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 202155004 is about 14218.1223795549. The cubic root of 202155004 is about 586.8964717532.

It can be divided in two parts, 20 and 2155004, that added together give a square (2155024 = 1468²).

The spelling of 202155004 in words is "two hundred two million, one hundred fifty-five thousand, four".