22020245505050 has 48 divisors (see below), whose sum is σ = 44204763156792. Its totient is φ = 8112760934400.

The previous prime is 22020245505007. The next prime is 22020245505073. The reversal of 22020245505050 is 5050554202022.

It can be written as a sum of positive squares in 12 ways, for example, as 105029790889 + 21915215714161 = 324083^2 + 4681369^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22020245504998 and 22020245505016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36767831 + ... + 37361930.

Almost surely, 2^{22020245505050} is an apocalyptic number.

22020245505050 is an abundant number, since it is smaller than the sum of its proper divisors (22184517651742).

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

22020245505050 is a wasteful number, since it uses less digits than its factorization.

22020245505050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74130243 (or 74130238 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

Adding to 22020245505050 its reverse (5050554202022), we get a palindrome (27070799707072).

The spelling of 22020245505050 in words is "twenty-two trillion, twenty billion, two hundred forty-five million, five hundred five thousand, fifty".