20111046 has 8 divisors (see below), whose sum is σ = 40222104. Its totient is φ = 6703680.

The previous prime is 20111027. The next prime is 20111053. The reversal of 20111046 is 64011102.

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

20111046 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675915 + ... + 1675926.

It is an arithmetic number, because the mean of its divisors is an integer number (5027763).

Almost surely, 2^20111046 is an apocalyptic number.

20111046 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.

20111046 is a wasteful number, since it uses less digits than its factorization.

20111046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351846.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 20111046 is about 4484.5340895125. The cubic root of 20111046 is about 271.9432101018.

Adding to 20111046 its reverse (64011102), we get a palindrome (84122148).

The spelling of 20111046 in words is "twenty million, one hundred eleven thousand, forty-six".