201354320 has 20 divisors (see below), whose sum is σ = 468148980. Its totient is φ = 80541696.

The previous prime is 201354317. The next prime is 201354323. The reversal of 201354320 is 23453102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201354317) and next prime (201354323).

It can be written as a sum of positive squares in 2 ways, for example, as 23078416 + 178275904 = 4804^2 + 13352^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 201354292 and 201354301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201354323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258385 + ... + 1258544.

It is an arithmetic number, because the mean of its divisors is an integer number (23407449).

Almost surely, 2^201354320 is an apocalyptic number.

201354320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201354320 is an abundant number, since it is smaller than the sum of its proper divisors (266794660).

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

201354320 is a wasteful number, since it uses less digits than its factorization.

201354320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516942 (or 2516936 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 201354320 is about 14189.9372796359. The cubic root of 201354320 is about 586.1205978231.

The spelling of 201354320 in words is "two hundred one million, three hundred fifty-four thousand, three hundred twenty".