26424220020 has 48 divisors (see below), whose sum is σ = 80713983168. Its totient is φ = 6405871360.

The previous prime is 26424219979. The next prime is 26424220021. The reversal of 26424220020 is 2002242462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26424220021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20017689 + ... + 20019008.

It is an arithmetic number, because the mean of its divisors is an integer number (1681541316).

Almost surely, 2^26424220020 is an apocalyptic number.

26424220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26424220020 is an abundant number, since it is smaller than the sum of its proper divisors (54289763148).

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

26424220020 is a wasteful number, since it uses less digits than its factorization.

26424220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40036720 (or 40036718 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 26424220020 its reverse (2002242462), we get a palindrome (28426462482).

The spelling of 26424220020 in words is "twenty-six billion, four hundred twenty-four million, two hundred twenty thousand, twenty".