20426287695050 has 12 divisors (see below), whose sum is σ = 37992895112886. Its totient is φ = 8170515078000.

The previous prime is 20426287695007. The next prime is 20426287695139. The reversal of 20426287695050 is 5059678262402.

It can be written as a sum of positive squares in 3 ways, for example, as 13837142668561 + 6589145026489 = 3719831^2 + 2566933^2 .

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204262876901 + ... + 204262877000.

Almost surely, 2^{20426287695050} is an apocalyptic number.

20426287695050 is a deficient number, since it is larger than the sum of its proper divisors (17566607417836).

20426287695050 is a wasteful number, since it uses less digits than its factorization.

20426287695050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408525753913 (or 408525753908 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 20426287695050 in words is "twenty trillion, four hundred twenty-six billion, two hundred eighty-seven million, six hundred ninety-five thousand, fifty".