201055434 has 32 divisors (see below), whose sum is σ = 418201920. Its totient is φ = 64361472.

The previous prime is 201055427. The next prime is 201055501. The reversal of 201055434 is 434550102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30589 + ... + 36575.

It is an arithmetic number, because the mean of its divisors is an integer number (13068810).

Almost surely, 2^201055434 is an apocalyptic number.

201055434 is an abundant number, since it is smaller than the sum of its proper divisors (217146486).

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

201055434 is a wasteful number, since it uses less digits than its factorization.

201055434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6214.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 201055434 is about 14179.4017504266. The cubic root of 201055434 is about 585.8304459622.

The spelling of 201055434 in words is "two hundred one million, fifty-five thousand, four hundred thirty-four".