20259064325144 has 32 divisors (see below), whose sum is σ = 38183940133920. Its totient is φ = 10076684077056.

The previous prime is 20259064325119. The next prime is 20259064325173. The reversal of 20259064325144 is 44152346095202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45438869 + ... + 45882555.

It is an arithmetic number, because the mean of its divisors is an integer number (1193248129185).

Almost surely, 2^{20259064325144} is an apocalyptic number.

It is an amenable number.

20259064325144 is a deficient number, since it is larger than the sum of its proper divisors (17924875808776).

20259064325144 is a wasteful number, since it uses less digits than its factorization.

20259064325144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473459 (or 473455 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 20259064325144 in words is "twenty trillion, two hundred fifty-nine billion, sixty-four million, three hundred twenty-five thousand, one hundred forty-four".