26542020 has 24 divisors (see below), whose sum is σ = 74317824. Its totient is φ = 7077856.

The previous prime is 26541979. The next prime is 26542027. The reversal of 26542020 is 2024562.

It is not an unprimeable number, because it can be changed into a prime (26542027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221124 + ... + 221243.

It is an arithmetic number, because the mean of its divisors is an integer number (3096576).

Almost surely, 2^26542020 is an apocalyptic number.

26542020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26542020 is an abundant number, since it is smaller than the sum of its proper divisors (47775804).

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

26542020 is a wasteful number, since it uses less digits than its factorization.

26542020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442379 (or 442377 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 26542020 is about 5151.8947970625. The cubic root of 26542020 is about 298.2940958005.

Adding to 26542020 its reverse (2024562), we get a palindrome (28566582).

The spelling of 26542020 in words is "twenty-six million, five hundred forty-two thousand, twenty".