20265130 has 16 divisors (see below), whose sum is σ = 36580320. Its totient is φ = 8083152.

The previous prime is 20265121. The next prime is 20265137. The reversal of 20265130 is 3156202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20265098 and 20265107.

It is not an unprimeable number, because it can be changed into a prime (20265137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117 + ... + 6463.

It is an arithmetic number, because the mean of its divisors is an integer number (2286270).

Almost surely, 2^20265130 is an apocalyptic number.

20265130 is a deficient number, since it is larger than the sum of its proper divisors (16315190).

20265130 is a wasteful number, since it uses less digits than its factorization.

20265130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5733.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20265130 is about 4501.6807972134. The cubic root of 20265130 is about 272.6359560611.

The spelling of 20265130 in words is "twenty million, two hundred sixty-five thousand, one hundred thirty".