20100111254 has 8 divisors (see below), whose sum is σ = 30151280568. Its totient is φ = 10049684400.

The previous prime is 20100111253. The next prime is 20100111271. The reversal of 20100111254 is 45211100102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100111253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112112 + ... + 229715.

It is an arithmetic number, because the mean of its divisors is an integer number (3768910071).

Almost surely, 2^20100111254 is an apocalyptic number.

20100111254 is a deficient number, since it is larger than the sum of its proper divisors (10051169314).

20100111254 is a wasteful number, since it uses less digits than its factorization.

20100111254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371230.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 20100111254 its reverse (45211100102), we get a palindrome (65311211356).

The spelling of 20100111254 in words is "twenty billion, one hundred million, one hundred eleven thousand, two hundred fifty-four".