20862252 has 48 divisors (see below), whose sum is σ = 55960800. Its totient is φ = 6713280.

The previous prime is 20862251. The next prime is 20862253. The reversal of 20862252 is 25226802.

It is an interprime number because it is at equal distance from previous prime (20862251) and next prime (20862253).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20862251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199 + ... + 6462.

It is an arithmetic number, because the mean of its divisors is an integer number (1165850).

Almost surely, 2^20862252 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 20862252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27980400).

20862252 is an abundant number, since it is smaller than the sum of its proper divisors (35098548).

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

20862252 is a wasteful number, since it uses less digits than its factorization.

20862252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6703 (or 6695 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 20862252 is about 4567.5214285212. The cubic root of 20862252 is about 275.2878616554.

The spelling of 20862252 in words is "twenty million, eight hundred sixty-two thousand, two hundred fifty-two".