20422350131044 has 24 divisors (see below), whose sum is σ = 37037872158840. Its totient is φ = 9841365252096.

The previous prime is 20422350131021. The next prime is 20422350131083. The reversal of 20422350131044 is 44013105322402.

It can be written as a sum of positive squares in 4 ways, for example, as 335370708544 + 20086979422500 = 579112^2 + 4481850^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20422350130997 and 20422350131015.

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, 157973757 + ... + 158102980.

It is an arithmetic number, because the mean of its divisors is an integer number (1543244673285).

Almost surely, 2^{20422350131044} is an apocalyptic number.

It is an amenable number.

20422350131044 is a deficient number, since it is larger than the sum of its proper divisors (16615522027796).

20422350131044 is a wasteful number, since it uses less digits than its factorization.

20422350131044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316077327 (or 316077325 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 20422350131044 its reverse (44013105322402), we get a palindrome (64435455453446).

The spelling of 20422350131044 in words is "twenty trillion, four hundred twenty-two billion, three hundred fifty million, one hundred thirty-one thousand, forty-four".