201472820 has 24 divisors (see below), whose sum is σ = 423360000. Its totient is φ = 80538272.

The previous prime is 201472793. The next prime is 201472823. The reversal of 201472820 is 28274102.

It is a self number, because there is not a number n which added to its sum of digits gives 201472820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201472823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58301 + ... + 61659.

It is an arithmetic number, because the mean of its divisors is an integer number (17640000).

Almost surely, 2^201472820 is an apocalyptic number.

201472820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201472820 is an abundant number, since it is smaller than the sum of its proper divisors (221887180).

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

201472820 is a wasteful number, since it uses less digits than its factorization.

201472820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6367 (or 6365 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 201472820 is about 14194.1121596245. The cubic root of 201472820 is about 586.2355554926.

The spelling of 201472820 in words is "two hundred one million, four hundred seventy-two thousand, eight hundred twenty".