20078367747246 has 32 divisors (see below), whose sum is σ = 44619897415680. Its totient is φ = 6692593885848.

The previous prime is 20078367747173. The next prime is 20078367747259. The reversal of 20078367747246 is 64274776387002.

20078367747246 is a `hidden beast` number, since 20 + 0 + 7 + 8 + 36 + 77 + 472 + 46 = 666.

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, 3553756 + ... + 7265391.

It is an arithmetic number, because the mean of its divisors is an integer number (1394371794240).

Almost surely, 2^{20078367747246} is an apocalyptic number.

20078367747246 is an abundant number, since it is smaller than the sum of its proper divisors (24541529668434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20078367747246 is a wasteful number, since it uses less digits than its factorization.

20078367747246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10853525 (or 10853519 counting only the distinct ones).

The product of its (nonzero) digits is 132765696, while the sum is 63.

The spelling of 20078367747246 in words is "twenty trillion, seventy-eight billion, three hundred sixty-seven million, seven hundred forty-seven thousand, two hundred forty-six".