20006115022 has 4 divisors (see below), whose sum is σ = 30009172536. Its totient is φ = 10003057510.

The previous prime is 20006114983. The next prime is 20006115029. The reversal of 20006115022 is 22051160002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20006115029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001528754 + ... + 5001528757.

It is an arithmetic number, because the mean of its divisors is an integer number (7502293134).

Almost surely, 2^20006115022 is an apocalyptic number.

20006115022 is a deficient number, since it is larger than the sum of its proper divisors (10003057514).

20006115022 is a wasteful number, since it uses less digits than its factorization.

20006115022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10003057513.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20006115022 its reverse (22051160002), we get a palindrome (42057275024).

The spelling of 20006115022 in words is "twenty billion, six million, one hundred fifteen thousand, twenty-two".