11020120254 has 96 divisors (see below), whose sum is σ = 28988658720. Its totient is φ = 3082527360.

The previous prime is 11020120253. The next prime is 11020120283. The reversal of 11020120254 is 45202102011.

11020120254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020120253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20074 + ... + 149810.

It is an arithmetic number, because the mean of its divisors is an integer number (301965195).

Almost surely, 2^11020120254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020120254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14494329360).

11020120254 is an abundant number, since it is smaller than the sum of its proper divisors (17968538466).

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

11020120254 is a wasteful number, since it uses less digits than its factorization.

11020120254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129783 (or 129766 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 11020120254 its reverse (45202102011), we get a palindrome (56222222265).

The spelling of 11020120254 in words is "eleven billion, twenty million, one hundred twenty thousand, two hundred fifty-four".