20950472 has 16 divisors (see below), whose sum is σ = 39400560. Its totient is φ = 10443664.

The previous prime is 20950469. The next prime is 20950537. The reversal of 20950472 is 27405902.

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, 998 + ... + 6549.

It is an arithmetic number, because the mean of its divisors is an integer number (2462535).

Almost surely, 2^20950472 is an apocalyptic number.

It is an amenable number.

20950472 is a deficient number, since it is larger than the sum of its proper divisors (18450088).

20950472 is a wasteful number, since it uses less digits than its factorization.

20950472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900 (or 7896 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 20950472 is about 4577.1685570885. The cubic root of 20950472 is about 275.6753516676.

The spelling of 20950472 in words is "twenty million, nine hundred fifty thousand, four hundred seventy-two".