20221440403020 has 96 divisors (see below), whose sum is σ = 58740279192000. Its totient is φ = 5191521506304.

The previous prime is 20221440403001. The next prime is 20221440403033. The reversal of 20221440403020 is 2030404412202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16042479 + ... + 17256998.

It is an arithmetic number, because the mean of its divisors is an integer number (611877908250).

Almost surely, 2^{20221440403020} is an apocalyptic number.

20221440403020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221440403020 is an abundant number, since it is smaller than the sum of its proper divisors (38518838788980).

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

20221440403020 is a wasteful number, since it uses less digits than its factorization.

20221440403020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33299867 (or 33299865 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20221440403020 its reverse (2030404412202), we get a palindrome (22251844815222).

The spelling of 20221440403020 in words is "twenty trillion, two hundred twenty-one billion, four hundred forty million, four hundred three thousand, twenty".