19048920 has 64 divisors (see below), whose sum is σ = 62346240. Its totient is φ = 4617600.

The previous prime is 19048901. The next prime is 19048921. The reversal of 19048920 is 2984091.

It is a super-2 number, since 2×19048920² = 725722706332800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19048921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5896 + ... + 8535.

It is an arithmetic number, because the mean of its divisors is an integer number (974160).

Almost surely, 2^19048920 is an apocalyptic number.

19048920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19048920 is an abundant number, since it is smaller than the sum of its proper divisors (43297320).

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

19048920 is a wasteful number, since it uses less digits than its factorization.

19048920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14456 (or 14452 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 19048920 is about 4364.5068449941. The cubic root of 19048920 is about 267.0689830034.

The spelling of 19048920 in words is "nineteen million, forty-eight thousand, nine hundred twenty".