20123515054 has 8 divisors (see below), whose sum is σ = 30191968728. Its totient is φ = 10059525480.

The previous prime is 20123515001. The next prime is 20123515103. The reversal of 20123515054 is 45051532102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104732 + ... + 1122799.

It is an arithmetic number, because the mean of its divisors is an integer number (3773996091).

Almost surely, 2^20123515054 is an apocalyptic number.

20123515054 is a deficient number, since it is larger than the sum of its proper divisors (10068453674).

20123515054 is a wasteful number, since it uses less digits than its factorization.

20123515054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232050.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 20123515054 in words is "twenty billion, one hundred twenty-three million, five hundred fifteen thousand, fifty-four".