201150420 has 48 divisors (see below), whose sum is σ = 563915520. Its totient is φ = 53574016.

The previous prime is 201150419. The next prime is 201150421. The reversal of 201150420 is 24051102.

It is an interprime number because it is at equal distance from previous prime (201150419) and next prime (201150421).

It is a super-2 number, since 2×201150420² = 80922982932352800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201150420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201150421) by changing a digit.

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, 65029 + ... + 68051.

It is an arithmetic number, because the mean of its divisors is an integer number (11748240).

Almost surely, 2^201150420 is an apocalyptic number.

201150420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201150420 is an abundant number, since it is smaller than the sum of its proper divisors (362765100).

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

201150420 is a wasteful number, since it uses less digits than its factorization.

201150420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144 (or 4142 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 201150420 is about 14182.7507910137. The cubic root of 201150420 is about 585.9226874051.

The spelling of 201150420 in words is "two hundred one million, one hundred fifty thousand, four hundred twenty".