26220262620 has 48 divisors (see below), whose sum is σ = 73453580928. Its totient is φ = 6988560960.

The previous prime is 26220262603. The next prime is 26220262667. The reversal of 26220262620 is 2626202262.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12007 + ... + 229313.

It is an arithmetic number, because the mean of its divisors is an integer number (1530282936).

Almost surely, 2^26220262620 is an apocalyptic number.

26220262620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26220262620 is an abundant number, since it is smaller than the sum of its proper divisors (47233318308).

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

26220262620 is a wasteful number, since it uses less digits than its factorization.

26220262620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219330 (or 219328 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 26220262620 its reverse (2626202262), we get a palindrome (28846464882).

The spelling of 26220262620 in words is "twenty-six billion, two hundred twenty million, two hundred sixty-two thousand, six hundred twenty".