19514420 has 24 divisors (see below), whose sum is σ = 41594784. Its totient is φ = 7688736.

The previous prime is 19514413. The next prime is 19514431. The reversal of 19514420 is 2441591.

It is a self number, because there is not a number n which added to its sum of digits gives 19514420.

It is a congruent number.

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, 5942 + ... + 8621.

It is an arithmetic number, because the mean of its divisors is an integer number (1733116).

Almost surely, 2^19514420 is an apocalyptic number.

19514420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19514420 is an abundant number, since it is smaller than the sum of its proper divisors (22080364).

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

19514420 is a wasteful number, since it uses less digits than its factorization.

19514420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14639 (or 14637 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 19514420 is about 4417.5128749105. The cubic root of 19514420 is about 269.2269612020.

The spelling of 19514420 in words is "nineteen million, five hundred fourteen thousand, four hundred twenty".