20261106 has 24 divisors (see below), whose sum is σ = 46210320. Its totient is φ = 6398136.

The previous prime is 20261099. The next prime is 20261107. The reversal of 20261106 is 60116202.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20261107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29280 + ... + 29963.

It is an arithmetic number, because the mean of its divisors is an integer number (1925430).

Almost surely, 2^20261106 is an apocalyptic number.

20261106 is an abundant number, since it is smaller than the sum of its proper divisors (25949214).

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

20261106 is a wasteful number, since it uses less digits than its factorization.

20261106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59270 (or 59267 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 20261106 is about 4501.2338308513. The cubic root of 20261106 is about 272.6179093027.

Adding to 20261106 its reverse (60116202), we get a palindrome (80377308).

The spelling of 20261106 in words is "twenty million, two hundred sixty-one thousand, one hundred six".