26142820 has 24 divisors (see below), whose sum is σ = 59891328. Its totient is φ = 9506400.

The previous prime is 26142817. The next prime is 26142863. The reversal of 26142820 is 2824162.

It is a happy number.

It is a nialpdrome in base 13.

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, 59196 + ... + 59635.

It is an arithmetic number, because the mean of its divisors is an integer number (2495472).

Almost surely, 2^26142820 is an apocalyptic number.

26142820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26142820 is an abundant number, since it is smaller than the sum of its proper divisors (33748508).

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

26142820 is a wasteful number, since it uses less digits than its factorization.

26142820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118851 (or 118849 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 26142820 is about 5113.0049872849. The cubic root of 26142820 is about 296.7910572643.

Adding to 26142820 its reverse (2824162), we get a palindrome (28966982).

It can be divided in two parts, 26142 and 820, that added together give a palindrome (26962).

The spelling of 26142820 in words is "twenty-six million, one hundred forty-two thousand, eight hundred twenty".