20022100122003 has 32 divisors (see below), whose sum is σ = 32068765264896. Its totient is φ = 10863875117568.

The previous prime is 20022100121993. The next prime is 20022100122047. The reversal of 20022100122003 is 30022100122002.

It is a happy number.

It is not a de Polignac number, because 20022100122003 - 2⁸ = 20022100121747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022100122203) 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, 151224426 + ... + 151356767.

It is an arithmetic number, because the mean of its divisors is an integer number (1002148914528).

Almost surely, 2^{20022100122003} is an apocalyptic number.

20022100122003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20022100122003 is a deficient number, since it is larger than the sum of its proper divisors (12046665142893).

20022100122003 is a wasteful number, since it uses less digits than its factorization.

20022100122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302581363.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20022100122003 its reverse (30022100122002), we get a palindrome (50044200244005).

Subtracting 20022100122003 from its reverse (30022100122002), we obtain a palindrome (9999999999999).

The spelling of 20022100122003 in words is "twenty trillion, twenty-two billion, one hundred million, one hundred twenty-two thousand, three".