20284292 has 24 divisors (see below), whose sum is σ = 41879040. Its totient is φ = 8412480.

The previous prime is 20284289. The next prime is 20284301. The reversal of 20284292 is 29248202.

It is a super-2 number, since 2×20284292² = 822905003882528, which contains 22 as substring.

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, 10817 + ... + 12552.

It is an arithmetic number, because the mean of its divisors is an integer number (1744960).

Almost surely, 2^20284292 is an apocalyptic number.

It is an amenable number.

20284292 is an abundant number, since it is smaller than the sum of its proper divisors (21594748).

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

20284292 is a wasteful number, since it uses less digits than its factorization.

20284292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23411 (or 23409 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 20284292 is about 4503.8086104985. The cubic root of 20284292 is about 272.7218606737.

The spelling of 20284292 in words is "twenty million, two hundred eighty-four thousand, two hundred ninety-two".