26242020 has 144 divisors (see below), whose sum is σ = 92776320. Its totient is φ = 5879808.

The previous prime is 26242019. The next prime is 26242061. The reversal of 26242020 is 2024262.

It is a happy number.

26242020 is a `hidden beast` number, since 2 + 624 + 20 + 20 = 666.

It is a super-2 number, since 2×26242020² = 1377287227360800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 26241984 and 26242002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74164 + ... + 74516.

It is an arithmetic number, because the mean of its divisors is an integer number (644280).

Almost surely, 2^26242020 is an apocalyptic number.

26242020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26242020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46388160).

26242020 is an abundant number, since it is smaller than the sum of its proper divisors (66534300).

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

26242020 is a wasteful number, since it uses less digits than its factorization.

26242020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 26242020 is about 5122.6965555262. The cubic root of 26242020 is about 297.1659787147.

Adding to 26242020 its reverse (2024262), we get a palindrome (28266282).

The spelling of 26242020 in words is "twenty-six million, two hundred forty-two thousand, twenty".