131026020 has 48 divisors (see below), whose sum is σ = 373101120. Its totient is φ = 34347136.

The previous prime is 131025977. The next prime is 131026087. The reversal of 131026020 is 20620131.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14967 + ... + 22046.

It is an arithmetic number, because the mean of its divisors is an integer number (7772940).

Almost surely, 2^131026020 is an apocalyptic number.

131026020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131026020 is an abundant number, since it is smaller than the sum of its proper divisors (242075100).

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

131026020 is a wasteful number, since it uses less digits than its factorization.

131026020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37084 (or 37082 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 131026020 is about 11446.6597747989. The cubic root of 131026020 is about 507.9089313264.

Adding to 131026020 its reverse (20620131), we get a palindrome (151646151).

The spelling of 131026020 in words is "one hundred thirty-one million, twenty-six thousand, twenty".