20106550254 has 16 divisors (see below), whose sum is σ = 45957829248. Its totient is φ = 5744728632.

The previous prime is 20106550207. The next prime is 20106550313. The reversal of 20106550254 is 45205560102.

20106550254 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239363652 + ... + 239363735.

It is an arithmetic number, because the mean of its divisors is an integer number (2872364328).

Almost surely, 2^20106550254 is an apocalyptic number.

20106550254 is an abundant number, since it is smaller than the sum of its proper divisors (25851278994).

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

20106550254 is a wasteful number, since it uses less digits than its factorization.

20106550254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478727399.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 20106550254 in words is "twenty billion, one hundred six million, five hundred fifty thousand, two hundred fifty-four".