20078362766 has 16 divisors (see below), whose sum is σ = 37549146240. Its totient is φ = 7822738680.

The previous prime is 20078362697. The next prime is 20078362769. The reversal of 20078362766 is 66726387002.

It is a self number, because there is not a number n which added to its sum of digits gives 20078362766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20078362769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65189336 + ... + 65189643.

It is an arithmetic number, because the mean of its divisors is an integer number (2346821640).

Almost surely, 2^20078362766 is an apocalyptic number.

20078362766 is a deficient number, since it is larger than the sum of its proper divisors (17470783474).

20078362766 is a wasteful number, since it uses less digits than its factorization.

20078362766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130378999.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 20078362766 in words is "twenty billion, seventy-eight million, three hundred sixty-two thousand, seven hundred sixty-six".