20282464 has 24 divisors (see below), whose sum is σ = 40687920. Its totient is φ = 9949056.

The previous prime is 20282447. The next prime is 20282467. The reversal of 20282464 is 46428202.

It is a super-2 number, since 2×20282464² = 822756691822592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20282467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4284 + ... + 7675.

It is an arithmetic number, because the mean of its divisors is an integer number (1695330).

Almost surely, 2^20282464 is an apocalyptic number.

It is an amenable number.

20282464 is an abundant number, since it is smaller than the sum of its proper divisors (20405456).

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

20282464 is a wasteful number, since it uses less digits than its factorization.

20282464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12022 (or 12014 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 20282464 is about 4503.6056665743. The cubic root of 20282464 is about 272.7136679543.

The spelling of 20282464 in words is "twenty million, two hundred eighty-two thousand, four hundred sixty-four".