20822802 has 64 divisors (see below), whose sum is σ = 55931904. Its totient is φ = 4991040.

The previous prime is 20822717. The next prime is 20822821.

20822802 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4273 + ... + 7739.

It is an arithmetic number, because the mean of its divisors is an integer number (873936).

Almost surely, 2^20822802 is an apocalyptic number.

20822802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20822802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27965952).

20822802 is an abundant number, since it is smaller than the sum of its proper divisors (35109102).

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

20822802 is a wasteful number, since it uses less digits than its factorization.

20822802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 20822802 is about 4563.2008502804. The cubic root of 20822802 is about 275.1142313311.

It can be divided in two parts, 2082 and 2802, that added together give a palindrome (4884).

The spelling of 20822802 in words is "twenty million, eight hundred twenty-two thousand, eight hundred two".