20663050 has 24 divisors (see below), whose sum is σ = 39676032. Its totient is φ = 7998000.

The previous prime is 20663047. The next prime is 20663053. The reversal of 20663050 is 5036602.

It is an interprime number because it is at equal distance from previous prime (20663047) and next prime (20663053).

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20663053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5116 + ... + 8215.

It is an arithmetic number, because the mean of its divisors is an integer number (1653168).

Almost surely, 2^20663050 is an apocalyptic number.

20663050 is a deficient number, since it is larger than the sum of its proper divisors (19012982).

20663050 is a wasteful number, since it uses less digits than its factorization.

20663050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374 (or 13369 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 20663050 is about 4545.6627679580. The cubic root of 20663050 is about 274.4088679712.

Adding to 20663050 its reverse (5036602), we get a palindrome (25699652).

The spelling of 20663050 in words is "twenty million, six hundred sixty-three thousand, fifty".