20111244246 has 24 divisors (see below), whose sum is σ = 45188228904. Its totient is φ = 6703747920.

The previous prime is 20111244227. The next prime is 20111244247. The reversal of 20111244246 is 64244211102.

20111244246 is a `hidden beast` number, since 201 + 1 + 12 + 442 + 4 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111244247) 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, 20690095 + ... + 20691066.

It is an arithmetic number, because the mean of its divisors is an integer number (1882842871).

Almost surely, 2^20111244246 is an apocalyptic number.

20111244246 is an abundant number, since it is smaller than the sum of its proper divisors (25076984658).

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

20111244246 is an equidigital number, since it uses as much as digits as its factorization.

20111244246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41381178 (or 41381166 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 20111244246 its reverse (64244211102), we get a palindrome (84355455348).

The spelling of 20111244246 in words is "twenty billion, one hundred eleven million, two hundred forty-four thousand, two hundred forty-six".