20883650 has 48 divisors (see below), whose sum is σ = 41783040. Its totient is φ = 7737600.

The previous prime is 20883647. The next prime is 20883671. The reversal of 20883650 is 5638802.

It is a super-2 number, since 2×20883650² = 872253674645000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66995 + ... + 67305.

It is an arithmetic number, because the mean of its divisors is an integer number (870480).

Almost surely, 2^20883650 is an apocalyptic number.

20883650 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

20883650 is a wasteful number, since it uses less digits than its factorization.

20883650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 20883650 is about 4569.8632364656. The cubic root of 20883650 is about 275.3819486033.

The spelling of 20883650 in words is "twenty million, eight hundred eighty-three thousand, six hundred fifty".