20667050 has 24 divisors (see below), whose sum is σ = 38810016. Its totient is φ = 8187440.

The previous prime is 20667043. The next prime is 20667061. The reversal of 20667050 is 5076602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3419 + ... + 7281.

It is an arithmetic number, because the mean of its divisors is an integer number (1617084).

Almost surely, 2^20667050 is an apocalyptic number.

20667050 is a deficient number, since it is larger than the sum of its proper divisors (18142966).

20667050 is a wasteful number, since it uses less digits than its factorization.

20667050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982 (or 3977 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 20667050 is about 4546.1027265120. The cubic root of 20667050 is about 274.4265737254.

The spelling of 20667050 in words is "twenty million, six hundred sixty-seven thousand, fifty".