202040155 has 8 divisors (see below), whose sum is σ = 256709952. Its totient is φ = 152124288.

The previous prime is 202040149. The next prime is 202040161. The reversal of 202040155 is 551040202.

202040155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202040149) and next prime (202040161).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202040155 - 2¹¹ = 202038107 is a prime.

It is a Duffinian 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, 1188387 + ... + 1188556.

It is an arithmetic number, because the mean of its divisors is an integer number (32088744).

Almost surely, 2^202040155 is an apocalyptic number.

202040155 is a deficient number, since it is larger than the sum of its proper divisors (54669797).

202040155 is a wasteful number, since it uses less digits than its factorization.

202040155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376965.

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

The square root of 202040155 is about 14214.0829813252. The cubic root of 202040155 is about 586.7853074811.

Adding to 202040155 its reverse (551040202), we get a palindrome (753080357).

The spelling of 202040155 in words is "two hundred two million, forty thousand, one hundred fifty-five".