20420223200044 has 24 divisors (see below), whose sum is σ = 37617001041200. Its totient is φ = 9672531485760.

The previous prime is 20420223200009. The next prime is 20420223200077. The reversal of 20420223200044 is 44000232202402.

It is a junction number, because it is equal to n+sod(n) for n = 20420223199991 and 20420223200018.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766654 + ... + 6436474.

Almost surely, 2^{20420223200044} is an apocalyptic number.

It is an amenable number.

20420223200044 is a deficient number, since it is larger than the sum of its proper divisors (17196777841156).

20420223200044 is a wasteful number, since it uses less digits than its factorization.

20420223200044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717233 (or 5717231 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 20420223200044 its reverse (44000232202402), we get a palindrome (64420455402446).

The spelling of 20420223200044 in words is "twenty trillion, four hundred twenty billion, two hundred twenty-three million, two hundred thousand, forty-four".