20267376501445 has 16 divisors (see below), whose sum is σ = 24369109399152. Its totient is φ = 16181737597440.

The previous prime is 20267376501431. The next prime is 20267376501503. The reversal of 20267376501445 is 54410567376202.

It can be written as a sum of positive squares in 8 ways, for example, as 1030091024356 + 19237285477089 = 1014934^2 + 4386033^2 .

It is not a de Polignac number, because 20267376501445 - 2³⁵ = 20233016763077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20267376501392 and 20267376501401.

It is a congruent 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, 19602259 + ... + 20610271.

It is an arithmetic number, because the mean of its divisors is an integer number (1523069337447).

Almost surely, 2^{20267376501445} is an apocalyptic number.

It is an amenable number.

20267376501445 is a deficient number, since it is larger than the sum of its proper divisors (4101732897707).

20267376501445 is a wasteful number, since it uses less digits than its factorization.

20267376501445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015992.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 20267376501445 in words is "twenty trillion, two hundred sixty-seven billion, three hundred seventy-six million, five hundred one thousand, four hundred forty-five".