20853382 has 12 divisors (see below), whose sum is σ = 34382628. Its totient is φ = 9478700.

The previous prime is 20853377. The next prime is 20853389. The reversal of 20853382 is 28335802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20853389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42844 + ... + 43327.

It is an arithmetic number, because the mean of its divisors is an integer number (2865219).

Almost surely, 2^20853382 is an apocalyptic number.

20853382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20853382 is a deficient number, since it is larger than the sum of its proper divisors (13529246).

20853382 is a wasteful number, since it uses less digits than its factorization.

20853382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86195 (or 86184 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 20853382 is about 4566.5503391510. The cubic root of 20853382 is about 275.2488414276.

The spelling of 20853382 in words is "twenty million, eight hundred fifty-three thousand, three hundred eighty-two".