201402720 has 192 divisors, whose sum is σ = 735920640. Its totient is φ = 51346944.

The previous prime is 201402659. The next prime is 201402727. The reversal of 201402720 is 27204102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201402693 and 201402702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201402727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98347 + ... + 100373.

It is an arithmetic number, because the mean of its divisors is an integer number (3832920).

Almost surely, 2^201402720 is an apocalyptic number.

201402720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201402720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367960320).

201402720 is an abundant number, since it is smaller than the sum of its proper divisors (534517920).

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

201402720 is a wasteful number, since it uses less digits than its factorization.

201402720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 201402720 is about 14191.6426110581. The cubic root of 201402720 is about 586.1675564452.

Adding to 201402720 its reverse (27204102), we get a palindrome (228606822).

The spelling of 201402720 in words is "two hundred one million, four hundred two thousand, seven hundred twenty".