22036020 has 48 divisors (see below), whose sum is σ = 61967808. Its totient is φ = 5850880.

The previous prime is 22036019. The next prime is 22036031. The reversal of 22036020 is 2063022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16207 + ... + 17513.

It is an arithmetic number, because the mean of its divisors is an integer number (1290996).

Almost surely, 2^22036020 is an apocalyptic number.

22036020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22036020 is an abundant number, since it is smaller than the sum of its proper divisors (39931788).

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

22036020 is a wasteful number, since it uses less digits than its factorization.

22036020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22036020 is about 4694.2539343329. The cubic root of 22036020 is about 280.3567731015.

Adding to 22036020 its reverse (2063022), we get a palindrome (24099042).

The spelling of 22036020 in words is "twenty-two million, thirty-six thousand, twenty".