20020295886 has 16 divisors (see below), whose sum is σ = 41122770384. Its totient is φ = 6493068864.

The previous prime is 20020295809. The next prime is 20020295903. The reversal of 20020295886 is 68859202002.

It is a congruent number.

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, 45090535 + ... + 45090978.

It is an arithmetic number, because the mean of its divisors is an integer number (2570173149).

Almost surely, 2^20020295886 is an apocalyptic number.

20020295886 is an abundant number, since it is smaller than the sum of its proper divisors (21102474498).

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

20020295886 is a wasteful number, since it uses less digits than its factorization.

20020295886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90181555.

The product of its (nonzero) digits is 138240, while the sum is 42.

Adding to 20020295886 its reverse (68859202002), we get a palindrome (88879497888).

The spelling of 20020295886 in words is "twenty billion, twenty million, two hundred ninety-five thousand, eight hundred eighty-six".