20261118 has 8 divisors (see below), whose sum is σ = 40522248. Its totient is φ = 6753704.

The previous prime is 20261113. The next prime is 20261119. The reversal of 20261118 is 81116202.

It is a sphenic number, since it is the product of 3 distinct primes.

20261118 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20261094 and 20261103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20261113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688421 + ... + 1688432.

It is an arithmetic number, because the mean of its divisors is an integer number (5065281).

Almost surely, 2^20261118 is an apocalyptic number.

20261118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20261118 is a wasteful number, since it uses less digits than its factorization.

20261118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376858.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 20261118 is about 4501.2351638189. The cubic root of 20261118 is about 272.6179631237.

The spelling of 20261118 in words is "twenty million, two hundred sixty-one thousand, one hundred eighteen".