202742190 has 224 divisors, whose sum is σ = 651602880. Its totient is φ = 44416512.

The previous prime is 202742167. The next prime is 202742251. The reversal of 202742190 is 91247202.

202742190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202742190² = 82208791211992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1479802 + ... + 1479938.

Almost surely, 2^202742190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202742190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325801440).

202742190 is an abundant number, since it is smaller than the sum of its proper divisors (448860690).

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

202742190 is a wasteful number, since it uses less digits than its factorization.

202742190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 202742190 is about 14238.7566170646. The cubic root of 202742190 is about 587.4641619907.

Adding to 202742190 its reverse (91247202), we get a palindrome (293989392).

The spelling of 202742190 in words is "two hundred two million, seven hundred forty-two thousand, one hundred ninety".