19934120 has 32 divisors (see below), whose sum is σ = 46067400. Its totient is φ = 7757568.

The previous prime is 19934119. The next prime is 19934137. The reversal of 19934120 is 2143991.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19377604 + 556516 = 4402^2 + 746^2 .

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, 5255 + ... + 8214.

Almost surely, 2^19934120 is an apocalyptic number.

19934120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19934120 is an abundant number, since it is smaller than the sum of its proper divisors (26133280).

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

19934120 is a wasteful number, since it uses less digits than its factorization.

19934120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13517 (or 13513 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 19934120 is about 4464.7642714930. The cubic root of 19934120 is about 271.1433907537.

The spelling of 19934120 in words is "nineteen million, nine hundred thirty-four thousand, one hundred twenty".