202134460 has 24 divisors (see below), whose sum is σ = 463072176. Its totient is φ = 73503360.

The previous prime is 202134409. The next prime is 202134473. The reversal of 202134460 is 64431202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459177 + ... + 459616.

It is an arithmetic number, because the mean of its divisors is an integer number (19294674).

Almost surely, 2^202134460 is an apocalyptic number.

202134460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202134460 is an abundant number, since it is smaller than the sum of its proper divisors (260937716).

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

202134460 is a wasteful number, since it uses less digits than its factorization.

202134460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918813 (or 918811 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 202134460 is about 14217.3999029358. The cubic root of 202134460 is about 586.8765899639.

Adding to 202134460 its reverse (64431202), we get a palindrome (266565662).

It can be divided in two parts, 2021 and 34460, that added together give a square (36481 = 191²).

The spelling of 202134460 in words is "two hundred two million, one hundred thirty-four thousand, four hundred sixty".