20261094 has 16 divisors (see below), whose sum is σ = 46311168. Its totient is φ = 5788872.

The previous prime is 20261081. The next prime is 20261099. The reversal of 20261094 is 49016202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20261099) 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, 241162 + ... + 241245.

It is an arithmetic number, because the mean of its divisors is an integer number (2894448).

Almost surely, 2^20261094 is an apocalyptic number.

20261094 is an abundant number, since it is smaller than the sum of its proper divisors (26050074).

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

20261094 is a wasteful number, since it uses less digits than its factorization.

20261094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482419.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20261094 is about 4501.2324978832. The cubic root of 20261094 is about 272.6178554818.

Adding to 20261094 its reverse (49016202), we get a palindrome (69277296).

The spelling of 20261094 in words is "twenty million, two hundred sixty-one thousand, ninety-four".