20531422103 has 8 divisors (see below), whose sum is σ = 20723472000. Its totient is φ = 20339907640.

The previous prime is 20531422091. The next prime is 20531422141. The reversal of 20531422103 is 30122413502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20531422103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20531422183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56603 + ... + 210396.

It is an arithmetic number, because the mean of its divisors is an integer number (2590434000).

Almost surely, 2^20531422103 is an apocalyptic number.

20531422103 is a deficient number, since it is larger than the sum of its proper divisors (192049897).

20531422103 is a wasteful number, since it uses less digits than its factorization.

20531422103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267717.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20531422103 its reverse (30122413502), we get a palindrome (50653835605).

The spelling of 20531422103 in words is "twenty billion, five hundred thirty-one million, four hundred twenty-two thousand, one hundred three".