20783022 has 16 divisors (see below), whose sum is σ = 44763600. Its totient is φ = 6394752.

The previous prime is 20783003. The next prime is 20783039. The reversal of 20783022 is 22038702.

It is a junction number, because it is equal to n+sod(n) for n = 20782983 and 20783001.

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, 133147 + ... + 133302.

It is an arithmetic number, because the mean of its divisors is an integer number (2797725).

Almost surely, 2^20783022 is an apocalyptic number.

20783022 is an abundant number, since it is smaller than the sum of its proper divisors (23980578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20783022 is a wasteful number, since it uses less digits than its factorization.

20783022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266467.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20783022 is about 4558.8399840310. The cubic root of 20783022 is about 274.9389263823.

The spelling of 20783022 in words is "twenty million, seven hundred eighty-three thousand, twenty-two".