20534310672368 has 20 divisors (see below), whose sum is σ = 39785501408688. Its totient is φ = 10267084502400.

The previous prime is 20534310672367. The next prime is 20534310672373. The reversal of 20534310672368 is 86327601343502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20534310672367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1994996 + ... + 6711827.

Almost surely, 2^{20534310672368} is an apocalyptic number.

It is an amenable number.

20534310672368 is a deficient number, since it is larger than the sum of its proper divisors (19251190736320).

20534310672368 is a wasteful number, since it uses less digits than its factorization.

20534310672368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8854232 (or 8854226 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 20534310672368 in words is "twenty trillion, five hundred thirty-four billion, three hundred ten million, six hundred seventy-two thousand, three hundred sixty-eight".