20422040586 has 16 divisors (see below), whose sum is σ = 40847822400. Its totient is φ = 6806723328.

The previous prime is 20422040557. The next prime is 20422040609. The reversal of 20422040586 is 68504022402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82246 + ... + 218193.

It is an arithmetic number, because the mean of its divisors is an integer number (2552988900).

Almost surely, 2^20422040586 is an apocalyptic number.

20422040586 is an abundant number, since it is smaller than the sum of its proper divisors (20425781814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20422040586 is a wasteful number, since it uses less digits than its factorization.

20422040586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311773.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 20422040586 its reverse (68504022402), we get a palindrome (88926062988).

The spelling of 20422040586 in words is "twenty billion, four hundred twenty-two million, forty thousand, five hundred eighty-six".