20760424 has 16 divisors (see below), whose sum is σ = 39176100. Its totient is φ = 10313472.

The previous prime is 20760409. The next prime is 20760479. The reversal of 20760424 is 42406702.

It can be written as a sum of positive squares in 2 ways, for example, as 20412324 + 348100 = 4518^2 + 590^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7009 + ... + 9520.

Almost surely, 2^20760424 is an apocalyptic number.

It is an amenable number.

20760424 is a deficient number, since it is larger than the sum of its proper divisors (18415676).

20760424 is a wasteful number, since it uses less digits than its factorization.

20760424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16692 (or 16688 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 20760424 is about 4556.3608285561. The cubic root of 20760424 is about 274.8392404768.

The spelling of 20760424 in words is "twenty million, seven hundred sixty thousand, four hundred twenty-four".