22041302420 has 24 divisors (see below), whose sum is σ = 46305799848. Its totient is φ = 8812889600.

The previous prime is 22041302401. The next prime is 22041302429. The reversal of 22041302420 is 2420314022.

It can be written as a sum of positive squares in 4 ways, for example, as 155650576 + 21885651844 = 12476^2 + 147938^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22041302392 and 22041302401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22041302429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176921 + ... + 274560.

It is an arithmetic number, because the mean of its divisors is an integer number (1929408327).

Almost surely, 2^22041302420 is an apocalyptic number.

22041302420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22041302420 is an abundant number, since it is smaller than the sum of its proper divisors (24264497428).

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

22041302420 is a wasteful number, since it uses less digits than its factorization.

22041302420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453931 (or 453929 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22041302420 its reverse (2420314022), we get a palindrome (24461616442).

The spelling of 22041302420 in words is "twenty-two billion, forty-one million, three hundred two thousand, four hundred twenty".