20258159145 has 16 divisors (see below), whose sum is σ = 37043491200. Its totient is φ = 9260872704.

The previous prime is 20258159107. The next prime is 20258159219. The reversal of 20258159145 is 54195185202.

It is not a de Polignac number, because 20258159145 - 2⁷ = 20258159017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20258159097 and 20258159106.

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, 96467320 + ... + 96467529.

It is an arithmetic number, because the mean of its divisors is an integer number (2315218200).

Almost surely, 2^20258159145 is an apocalyptic number.

It is an amenable number.

20258159145 is a deficient number, since it is larger than the sum of its proper divisors (16785332055).

20258159145 is a wasteful number, since it uses less digits than its factorization.

20258159145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192934864.

The product of its (nonzero) digits is 144000, while the sum is 42.

It can be divided in two parts, 202581 and 59145, that added together give a triangular number (261726 = T₇₂₃).

The spelling of 20258159145 in words is "twenty billion, two hundred fifty-eight million, one hundred fifty-nine thousand, one hundred forty-five".