20013176437345 has 64 divisors (see below), whose sum is σ = 31308650634240. Its totient is φ = 11917941424128.

The previous prime is 20013176437307. The next prime is 20013176437391. The reversal of 20013176437345 is 54373467131002.

It is a cyclic number.

It is not a de Polignac number, because 20013176437345 - 2³⁵ = 19978816698977 is a prime.

It is a super-2 number, since 2×20013176437345² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20013176437295 and 20013176437304.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19684764 + ... + 20676466.

It is an arithmetic number, because the mean of its divisors is an integer number (489197666160).

Almost surely, 2^{20013176437345} is an apocalyptic number.

It is an amenable number.

20013176437345 is a deficient number, since it is larger than the sum of its proper divisors (11295474196895).

20013176437345 is a wasteful number, since it uses less digits than its factorization.

20013176437345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994354.

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 20013176437345 in words is "twenty trillion, thirteen billion, one hundred seventy-six million, four hundred thirty-seven thousand, three hundred forty-five".