19695130 has 64 divisors (see below), whose sum is σ = 45577728. Its totient is φ = 5955840.

The previous prime is 19695113. The next prime is 19695139. The reversal of 19695130 is 3159691.

It is not an unprimeable number, because it can be changed into a prime (19695139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20460 + ... + 21400.

It is an arithmetic number, because the mean of its divisors is an integer number (712152).

Almost surely, 2^19695130 is an apocalyptic number.

19695130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19695130 is an abundant number, since it is smaller than the sum of its proper divisors (25882598).

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

19695130 is a wasteful number, since it uses less digits than its factorization.

19695130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 19695130 is about 4437.9195576306. The cubic root of 19695130 is about 270.0554527164.

The spelling of 19695130 in words is "nineteen million, six hundred ninety-five thousand, one hundred thirty".