20220024 has 64 divisors (see below), whose sum is σ = 55572480. Its totient is φ = 6080000.

The previous prime is 20220023. The next prime is 20220041. The reversal of 20220024 is 42002202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20219991 and 20220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220023) 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, 50224 + ... + 50624.

It is an arithmetic number, because the mean of its divisors is an integer number (868320).

Almost surely, 2^20220024 is an apocalyptic number.

20220024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27786240).

20220024 is an abundant number, since it is smaller than the sum of its proper divisors (35352456).

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

20220024 is a wasteful number, since it uses less digits than its factorization.

20220024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 20220024 is about 4496.6680998268. The cubic root of 20220024 is about 272.4335286624.

Adding to 20220024 its reverse (42002202), we get a palindrome (62222226).

The spelling of 20220024 in words is "twenty million, two hundred twenty thousand, twenty-four".