20040224262220 has 96 divisors (see below), whose sum is σ = 45389364894720. Its totient is φ = 7408399242240.

The previous prime is 20040224262217. The next prime is 20040224262251. The reversal of 20040224262220 is 2226242204002.

It is a super-2 number, since 2×20040224262220² (a number of 27 digits) contains 22 as substring.

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, 3655540 + ... + 7310500.

It is an arithmetic number, because the mean of its divisors is an integer number (472805884320).

Almost surely, 2^{20040224262220} is an apocalyptic number.

20040224262220 is a gapful number since it is divisible by the number (20) 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 20040224262220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22694682447360).

20040224262220 is an abundant number, since it is smaller than the sum of its proper divisors (25349140632500).

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

20040224262220 is a wasteful number, since it uses less digits than its factorization.

20040224262220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655343 (or 3655341 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20040224262220 its reverse (2226242204002), we get a palindrome (22266466466222).

The spelling of 20040224262220 in words is "twenty trillion, forty billion, two hundred twenty-four million, two hundred sixty-two thousand, two hundred twenty".