15130620 has 36 divisors (see below), whose sum is σ = 45896760. Its totient is φ = 4034784.

The previous prime is 15130613. The next prime is 15130657. The reversal of 15130620 is 2603151.

15130620 is a `hidden beast` number, since 15 + 1 + 30 + 620 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 15130593 and 15130602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41850 + ... + 42209.

It is an arithmetic number, because the mean of its divisors is an integer number (1274910).

Almost surely, 2^15130620 is an apocalyptic number.

15130620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15130620 is an abundant number, since it is smaller than the sum of its proper divisors (30766140).

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

15130620 is a wasteful number, since it uses less digits than its factorization.

15130620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84074 (or 84069 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 15130620 is about 3889.8097639859. The cubic root of 15130620 is about 247.3349986851.

Adding to 15130620 its reverse (2603151), we get a palindrome (17733771).

The spelling of 15130620 in words is "fifteen million, one hundred thirty thousand, six hundred twenty".