20402210044324 has 12 divisors (see below), whose sum is σ = 35704335850204. Its totient is φ = 10200971229984.

The previous prime is 20402210044303. The next prime is 20402210044327. The reversal of 20402210044324 is 42344001220402.

It can be written as a sum of positive squares in 2 ways, for example, as 11226399738724 + 9175810305600 = 3350582^2 + 3029160^2 .

It is a super-2 number, since 2×20402210044324² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20402210044292 and 20402210044301.

It is not an unprimeable number, because it can be changed into a prime (20402210044327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33104547 + ... + 33715210.

Almost surely, 2^{20402210044324} is an apocalyptic number.

It is an amenable number.

20402210044324 is a deficient number, since it is larger than the sum of its proper divisors (15302125805880).

20402210044324 is a wasteful number, since it uses less digits than its factorization.

20402210044324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66896094 (or 66896092 counting only the distinct ones).

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

Adding to 20402210044324 its reverse (42344001220402), we get a palindrome (62746211264726).

The spelling of 20402210044324 in words is "twenty trillion, four hundred two billion, two hundred ten million, forty-four thousand, three hundred twenty-four".