20012222403 has 12 divisors (see below), whose sum is σ = 29578789240. Its totient is φ = 13031214336.

The previous prime is 20012222393. The next prime is 20012222411. The reversal of 20012222403 is 30422221002.

20012222403 is a `hidden beast` number, since 200 + 1 + 222 + 240 + 3 = 666.

It is not a de Polignac number, because 20012222403 - 2⁵ = 20012222371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012222903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25855198 + ... + 25855971.

Almost surely, 2^20012222403 is an apocalyptic number.

20012222403 is a deficient number, since it is larger than the sum of its proper divisors (9566566837).

20012222403 is a wasteful number, since it uses less digits than its factorization.

20012222403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51711218 (or 51711215 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20012222403 its reverse (30422221002), we get a palindrome (50434443405).

The spelling of 20012222403 in words is "twenty billion, twelve million, two hundred twenty-two thousand, four hundred three".