20541541051 has 8 divisors (see below), whose sum is σ = 21039923520. Its totient is φ = 20044098312.

The previous prime is 20541541019. The next prime is 20541541061. The reversal of 20541541051 is 15014514502.

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

It is a cyclic number.

It is not a de Polignac number, because 20541541051 - 2⁵ = 20541541019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20541541001) 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, 190585 + ... + 278218.

It is an arithmetic number, because the mean of its divisors is an integer number (2629990440).

Almost surely, 2^20541541051 is an apocalyptic number.

20541541051 is a deficient number, since it is larger than the sum of its proper divisors (498382469).

20541541051 is a wasteful number, since it uses less digits than its factorization.

20541541051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469865.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 20541541051 in words is "twenty billion, five hundred forty-one million, five hundred forty-one thousand, fifty-one".