720200131 has 16 divisors (see below), whose sum is σ = 829753344. Its totient is φ = 612336384.

The previous prime is 720200119. The next prime is 720200161. The reversal of 720200131 is 131002027.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 720200131 - 2⁷ = 720200003 is a prime.

It is a super-2 number, since 2×720200131² = 1037376457384834322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (720200101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550380 + ... + 551686.

It is an arithmetic number, because the mean of its divisors is an integer number (51859584).

Almost surely, 2^720200131 is an apocalyptic number.

720200131 is a deficient number, since it is larger than the sum of its proper divisors (109553213).

720200131 is a wasteful number, since it uses less digits than its factorization.

720200131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 720200131 is about 26836.5446918936. The cubic root of 720200131 is about 896.3639849530.

Adding to 720200131 its reverse (131002027), we get a palindrome (851202158).

The spelling of 720200131 in words is "seven hundred twenty million, two hundred thousand, one hundred thirty-one".