20013176443145 has 16 divisors (see below), whose sum is σ = 25290158446080. Its totient is φ = 15161667120000.

The previous prime is 20013176443123. The next prime is 20013176443157. The reversal of 20013176443145 is 54134467131002.

It is not a de Polignac number, because 20013176443145 - 2²² = 20013172248841 is a prime.

It is a super-3 number, since 3×20013176443145³ (a number of 41 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42919481 + ... + 43383270.

It is an arithmetic number, because the mean of its divisors is an integer number (1580634902880).

Almost surely, 2^{20013176443145} is an apocalyptic number.

It is an amenable number.

20013176443145 is a deficient number, since it is larger than the sum of its proper divisors (5276982002935).

20013176443145 is a wasteful number, since it uses less digits than its factorization.

20013176443145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86305216.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 20013176443145 in words is "twenty trillion, thirteen billion, one hundred seventy-six million, four hundred forty-three thousand, one hundred forty-five".