20067819602944 has 33 divisors (see below), whose sum is σ = 40116328289431. Its totient is φ = 10033838126080.

The previous prime is 20067819602881. The next prime is 20067819602959. The reversal of 20067819602944 is 44920691876002.

The square root of 20067819602944 is 4479712.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 143280789 + ... + 143420779.

Almost surely, 2^{20067819602944} is an apocalyptic number.

20067819602944 is the 4479712-nd square number.

It is an amenable number.

20067819602944 is a deficient number, since it is larger than the sum of its proper divisors (20048508686487).

20067819602944 is an frugal number, since it uses more digits than its factorization.

20067819602944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280002 (or 139993 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 20067819602944 in words is "twenty trillion, sixty-seven billion, eight hundred nineteen million, six hundred two thousand, nine hundred forty-four".