20285862 has 32 divisors (see below), whose sum is σ = 44831232. Its totient is φ = 6086784.

The previous prime is 20285831. The next prime is 20285869. The reversal of 20285862 is 26858202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20285869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1978 + ... + 6669.

It is an arithmetic number, because the mean of its divisors is an integer number (1400976).

Almost surely, 2^20285862 is an apocalyptic number.

20285862 is an abundant number, since it is smaller than the sum of its proper divisors (24545370).

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

20285862 is a wasteful number, since it uses less digits than its factorization.

20285862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8692.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 20285862 is about 4503.9829040528. The cubic root of 20285862 is about 272.7288966974.

The spelling of 20285862 in words is "twenty million, two hundred eighty-five thousand, eight hundred sixty-two".