20054305121 has 8 divisors (see below), whose sum is σ = 20512103040. Its totient is φ = 19597803568.

The previous prime is 20054305097. The next prime is 20054305123. The reversal of 20054305121 is 12150345002.

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

It is not a de Polignac number, because 20054305121 - 2⁶ = 20054305057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20054305123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292766 + ... + 354711.

It is an arithmetic number, because the mean of its divisors is an integer number (2564012880).

Almost surely, 2^20054305121 is an apocalyptic number.

It is an amenable number.

20054305121 is a deficient number, since it is larger than the sum of its proper divisors (457797919).

20054305121 is an equidigital number, since it uses as much as digits as its factorization.

20054305121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648183.

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 20054305121 in words is "twenty billion, fifty-four million, three hundred five thousand, one hundred twenty-one".