20261126 has 16 divisors (see below), whose sum is σ = 31502304. Its totient is φ = 9765504.

The previous prime is 20261123. The next prime is 20261147. The reversal of 20261126 is 62116202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20261098 and 20261107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20261123) 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, 7151 + ... + 9573.

It is an arithmetic number, because the mean of its divisors is an integer number (1968894).

Almost surely, 2^20261126 is an apocalyptic number.

20261126 is a deficient number, since it is larger than the sum of its proper divisors (11241178).

20261126 is a wasteful number, since it uses less digits than its factorization.

20261126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 20261126 is about 4501.2360524638. The cubic root of 20261126 is about 272.6179990043.

Adding to 20261126 its reverse (62116202), we get a palindrome (82377328).

The spelling of 20261126 in words is "twenty million, two hundred sixty-one thousand, one hundred twenty-six".