20213222003 has 16 divisors (see below), whose sum is σ = 23067505440. Its totient is φ = 17546374656.

The previous prime is 20213221949. The next prime is 20213222017. The reversal of 20213222003 is 30022231202.

It is a cyclic number.

It is not a de Polignac number, because 20213222003 - 2⁶ = 20213221939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213222093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236408 + ... + 310346.

It is an arithmetic number, because the mean of its divisors is an integer number (1441719090).

Almost surely, 2^20213222003 is an apocalyptic number.

20213222003 is a deficient number, since it is larger than the sum of its proper divisors (2854283437).

20213222003 is a wasteful number, since it uses less digits than its factorization.

20213222003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75206.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20213222003 its reverse (30022231202), we get a palindrome (50235453205).

The spelling of 20213222003 in words is "twenty billion, two hundred thirteen million, two hundred twenty-two thousand, three".