20378696 has 24 divisors (see below), whose sum is σ = 41378130. Its totient is φ = 9404928.

The previous prime is 20378663. The next prime is 20378707. The reversal of 20378696 is 69687302.

It can be written as a sum of positive squares in 3 ways, for example, as 10048900 + 10329796 = 3170^2 + 3214^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6185 + ... + 8888.

Almost surely, 2^20378696 is an apocalyptic number.

20378696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20378696 is an abundant number, since it is smaller than the sum of its proper divisors (20999434).

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

20378696 is a wasteful number, since it uses less digits than its factorization.

20378696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15105 (or 15088 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 20378696 is about 4514.2769077672. The cubic root of 20378696 is about 273.1442925802.

The spelling of 20378696 in words is "twenty million, three hundred seventy-eight thousand, six hundred ninety-six".