20267026 has 16 divisors (see below), whose sum is σ = 34665624. Its totient is φ = 8803584.

The previous prime is 20266999. The next prime is 20267029. The reversal of 20267026 is 62076202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19811401 + 455625 = 4451^2 + 675^2 .

It is not an unprimeable number, because it can be changed into a prime (20267029) 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, 22485 + ... + 23368.

Almost surely, 2^20267026 is an apocalyptic number.

20267026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20267026 is a deficient number, since it is larger than the sum of its proper divisors (14398598).

20267026 is a wasteful number, since it uses less digits than its factorization.

20267026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45885.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 20267026 is about 4501.8913802978. The cubic root of 20267026 is about 272.6444583776.

The spelling of 20267026 in words is "twenty million, two hundred sixty-seven thousand, twenty-six".