20507010322194 has 64 divisors (see below), whose sum is σ = 50105413140480. Its totient is φ = 6165314462160.

The previous prime is 20507010322153. The next prime is 20507010322199. The reversal of 20507010322194 is 49122301070502.

20507010322194 is a `hidden beast` number, since 2 + 0 + 507 + 0 + 10 + 32 + 21 + 94 = 666.

It is a super-3 number, since 3×20507010322194³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20507010322199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135844194 + ... + 135995069.

It is an arithmetic number, because the mean of its divisors is an integer number (782897080320).

Almost surely, 2^{20507010322194} is an apocalyptic number.

20507010322194 is an abundant number, since it is smaller than the sum of its proper divisors (29598402818286).

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

20507010322194 is a wasteful number, since it uses less digits than its factorization.

20507010322194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271839412 (or 271839406 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Adding to 20507010322194 its reverse (49122301070502), we get a palindrome (69629311392696).

The spelling of 20507010322194 in words is "twenty trillion, five hundred seven billion, ten million, three hundred twenty-two thousand, one hundred ninety-four".