20769090050 has 12 divisors (see below), whose sum is σ = 38630507586. Its totient is φ = 8307636000.

The previous prime is 20769090049. The next prime is 20769090061. The reversal of 20769090050 is 5009096702.

It can be written as a sum of positive squares in 3 ways, for example, as 17545916521 + 3223173529 = 132461^2 + 56773^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20769089986 and 20769090013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207690851 + ... + 207690950.

Almost surely, 2^20769090050 is an apocalyptic number.

20769090050 is a deficient number, since it is larger than the sum of its proper divisors (17861417536).

20769090050 is a wasteful number, since it uses less digits than its factorization.

20769090050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415381813 (or 415381808 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The spelling of 20769090050 in words is "twenty billion, seven hundred sixty-nine million, ninety thousand, fifty".