20401676 has 12 divisors (see below), whose sum is σ = 35943600. Its totient is φ = 10132080.

The previous prime is 20401663. The next prime is 20401691. The reversal of 20401676 is 67610402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16520 + ... + 17711.

It is an arithmetic number, because the mean of its divisors is an integer number (2995300).

Almost surely, 2^20401676 is an apocalyptic number.

It is an amenable number.

20401676 is a deficient number, since it is larger than the sum of its proper divisors (15541924).

20401676 is a wasteful number, since it uses less digits than its factorization.

20401676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34384 (or 34382 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 20401676 is about 4516.8214487624. The cubic root of 20401676 is about 273.2469242363.

The spelling of 20401676 in words is "twenty million, four hundred one thousand, six hundred seventy-six".