20422003 has 12 divisors (see below), whose sum is σ = 24178960. Its totient is φ = 16896096.

The previous prime is 20422001. The next prime is 20422021. The reversal of 20422003 is 30022402.

It is not a de Polignac number, because 20422003 - 2¹ = 20422001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20422001) 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, 4153 + ... + 7621.

Almost surely, 2^20422003 is an apocalyptic number.

20422003 is a deficient number, since it is larger than the sum of its proper divisors (3756957).

20422003 is an equidigital number, since it uses as much as digits as its factorization.

20422003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534 (or 3505 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20422003 is about 4519.0710328562. The cubic root of 20422003 is about 273.3376430347.

Adding to 20422003 its reverse (30022402), we get a palindrome (50444405).

The spelling of 20422003 in words is "twenty million, four hundred twenty-two thousand, three".