20047676 has 24 divisors (see below), whose sum is σ = 38395056. Its totient is φ = 9083520.

The previous prime is 20047667. The next prime is 20047681. The reversal of 20047676 is 67674002.

It is a happy number.

It is a congruent number.

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, 19610 + ... + 20606.

It is an arithmetic number, because the mean of its divisors is an integer number (1599794).

Almost surely, 2^20047676 is an apocalyptic number.

20047676 is the 3656-th pentagonal number.

It is an amenable number.

20047676 is a deficient number, since it is larger than the sum of its proper divisors (18347380).

20047676 is a wasteful number, since it uses less digits than its factorization.

20047676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 20047676 is about 4477.4631210095. The cubic root of 20047676 is about 271.6572781245.

The spelling of 20047676 in words is "twenty million, forty-seven thousand, six hundred seventy-six".