202000155 has 16 divisors (see below), whose sum is σ = 369371904. Its totient is φ = 92342880.

The previous prime is 202000147. The next prime is 202000177. The reversal of 202000155 is 551000202.

It is not a de Polignac number, because 202000155 - 2³ = 202000147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961801 + ... + 962010.

It is an arithmetic number, because the mean of its divisors is an integer number (23085744).

Almost surely, 2^202000155 is an apocalyptic number.

202000155 is a deficient number, since it is larger than the sum of its proper divisors (167371749).

202000155 is a wasteful number, since it uses less digits than its factorization.

202000155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923826.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 202000155 is about 14212.6758564318. The cubic root of 202000155 is about 586.7465809196.

Adding to 202000155 its reverse (551000202), we get a palindrome (753000357).

The spelling of 202000155 in words is "two hundred two million, one hundred fifty-five", and thus it is an aban number.