5131020 has 24 divisors (see below), whose sum is σ = 14367024. Its totient is φ = 1368256.

The previous prime is 5131019. The next prime is 5131039. The reversal of 5131020 is 201315.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 5130987 and 5131005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42699 + ... + 42818.

It is an arithmetic number, because the mean of its divisors is an integer number (598626).

Almost surely, 2^5131020 is an apocalyptic number.

It is an amenable number.

5131020 is an abundant number, since it is smaller than the sum of its proper divisors (9236004).

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

5131020 is a wasteful number, since it uses less digits than its factorization.

5131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85529 (or 85527 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 5131020 is about 2265.1754898904. The cubic root of 5131020 is about 172.4783421664.

Adding to 5131020 its reverse (201315), we get a palindrome (5332335).

The spelling of 5131020 in words is "five million, one hundred thirty-one thousand, twenty".