20373505190 has 8 divisors (see below), whose sum is σ = 36672309360. Its totient is φ = 8149402072.

The previous prime is 20373505183. The next prime is 20373505199. The reversal of 20373505190 is 9150537302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20373505190² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20373505190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20373505199) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1018675250 + ... + 1018675269.

It is an arithmetic number, because the mean of its divisors is an integer number (4584038670).

Almost surely, 2^20373505190 is an apocalyptic number.

20373505190 is a deficient number, since it is larger than the sum of its proper divisors (16298804170).

20373505190 is a wasteful number, since it uses less digits than its factorization.

20373505190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037350526.

The product of its (nonzero) digits is 28350, while the sum is 35.

The spelling of 20373505190 in words is "twenty billion, three hundred seventy-three million, five hundred five thousand, one hundred ninety".