20202422220020 has 48 divisors (see below), whose sum is σ = 42575330439936. Its totient is φ = 8052396720000.

The previous prime is 20202422219953. The next prime is 20202422220023. The reversal of 20202422220020 is 2002222420202.

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 = 20202422219974 and 20202422220001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202422220023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5649695 + ... + 8504345.

It is an arithmetic number, because the mean of its divisors is an integer number (886986050832).

Almost surely, 2^{20202422220020} is an apocalyptic number.

20202422220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202422220020 is an abundant number, since it is smaller than the sum of its proper divisors (22372908219916).

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

20202422220020 is a wasteful number, since it uses less digits than its factorization.

20202422220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855912 (or 2855910 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20202422220020 its reverse (2002222420202), we get a palindrome (22204644640222).

The spelling of 20202422220020 in words is "twenty trillion, two hundred two billion, four hundred twenty-two million, two hundred twenty thousand, twenty".