201920274 has 24 divisors (see below), whose sum is σ = 439206300. Its totient is φ = 67043328.

The previous prime is 201920233. The next prime is 201920317. The reversal of 201920274 is 472029102.

It can be written as a sum of positive squares in 2 ways, for example, as 180714249 + 21206025 = 13443^2 + 4605^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17199 + ... + 26450.

Almost surely, 2^201920274 is an apocalyptic number.

201920274 is an abundant number, since it is smaller than the sum of its proper divisors (237286026).

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

201920274 is a wasteful number, since it uses less digits than its factorization.

201920274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43914 (or 43911 counting only the distinct ones).

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

The square root of 201920274 is about 14209.8653758577. The cubic root of 201920274 is about 586.6692277063.

Adding to 201920274 its reverse (472029102), we get a palindrome (673949376).

The spelling of 201920274 in words is "two hundred one million, nine hundred twenty thousand, two hundred seventy-four".