20752422003 has 24 divisors (see below), whose sum is σ = 31639462400. Its totient is φ = 13071039984.

The previous prime is 20752421999. The next prime is 20752422017. The reversal of 20752422003 is 30022425702.

It is not a de Polignac number, because 20752422003 - 2² = 20752421999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20752422703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102583 + ... + 228096.

Almost surely, 2^20752422003 is an apocalyptic number.

20752422003 is a deficient number, since it is larger than the sum of its proper divisors (10887040397).

20752422003 is a wasteful number, since it uses less digits than its factorization.

20752422003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331071 (or 331068 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

Adding to 20752422003 its reverse (30022425702), we get a palindrome (50774847705).

The spelling of 20752422003 in words is "twenty billion, seven hundred fifty-two million, four hundred twenty-two thousand, three".