20283452 has 36 divisors (see below), whose sum is σ = 41559840. Its totient is φ = 8636544.

The previous prime is 20283451. The next prime is 20283463. The reversal of 20283452 is 25438202.

It is a super-2 number, since 2×20283452² = 822836850072608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20283451) 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, 46628 + ... + 47060.

It is an arithmetic number, because the mean of its divisors is an integer number (1154440).

Almost surely, 2^20283452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20283452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20779920).

20283452 is an abundant number, since it is smaller than the sum of its proper divisors (21276388).

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

20283452 is a wasteful number, since it uses less digits than its factorization.

20283452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 20283452 is about 4503.7153551263. The cubic root of 20283452 is about 272.7180960279.

The spelling of 20283452 in words is "twenty million, two hundred eighty-three thousand, four hundred fifty-two".