20104151355051 has 16 divisors (see below), whose sum is σ = 26816720448000. Its totient is φ = 13397175713088.

The previous prime is 20104151355023. The next prime is 20104151355053. The reversal of 20104151355051 is 15055315140102.

It is a happy number.

It is not a de Polignac number, because 20104151355051 - 2¹⁷ = 20104151223979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20104151355053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109004130 + ... + 109188408.

It is an arithmetic number, because the mean of its divisors is an integer number (1676045028000).

Almost surely, 2^{20104151355051} is an apocalyptic number.

20104151355051 is a deficient number, since it is larger than the sum of its proper divisors (6712569092949).

20104151355051 is a wasteful number, since it uses less digits than its factorization.

20104151355051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199258.

The product of its (nonzero) digits is 15000, while the sum is 33.

Adding to 20104151355051 its reverse (15055315140102), we get a palindrome (35159466495153).

The spelling of 20104151355051 in words is "twenty trillion, one hundred four billion, one hundred fifty-one million, three hundred fifty-five thousand, fifty-one".