200745420 has 24 divisors (see below), whose sum is σ = 562087344. Its totient is φ = 53532096.

The previous prime is 200745379. The next prime is 200745427. The reversal of 200745420 is 24547002.

It is not an unprimeable number, because it can be changed into a prime (200745427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1672819 + ... + 1672938.

It is an arithmetic number, because the mean of its divisors is an integer number (23420306).

Almost surely, 2^200745420 is an apocalyptic number.

200745420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200745420 is an abundant number, since it is smaller than the sum of its proper divisors (361341924).

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

200745420 is a wasteful number, since it uses less digits than its factorization.

200745420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345769 (or 3345767 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 200745420 is about 14168.4656896927. The cubic root of 200745420 is about 585.5291873115.

The spelling of 200745420 in words is "two hundred million, seven hundred forty-five thousand, four hundred twenty".