20022430553503 has 32 divisors (see below), whose sum is σ = 24405843024000. Its totient is φ = 16034664136704.

The previous prime is 20022430553483. The next prime is 20022430553509. The reversal of 20022430553503 is 30535503422002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20022430553503 - 2²¹ = 20022428456351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022430553509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29756793 + ... + 30422221.

It is an arithmetic number, because the mean of its divisors is an integer number (762682594500).

Almost surely, 2^{20022430553503} is an apocalyptic number.

20022430553503 is a deficient number, since it is larger than the sum of its proper divisors (4383412470497).

20022430553503 is a wasteful number, since it uses less digits than its factorization.

20022430553503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667299.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 20022430553503 its reverse (30535503422002), we get a palindrome (50557933975505).

The spelling of 20022430553503 in words is "twenty trillion, twenty-two billion, four hundred thirty million, five hundred fifty-three thousand, five hundred three".