20353703366 has 8 divisors (see below), whose sum is σ = 30531215520. Its totient is φ = 10176631528.

The previous prime is 20353703347. The next prime is 20353703369. The reversal of 20353703366 is 66330735302.

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

It is a super-2 number, since 2×20353703366² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20353703369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54995 + ... + 209121.

It is an arithmetic number, because the mean of its divisors is an integer number (3816401940).

Almost surely, 2^20353703366 is an apocalyptic number.

20353703366 is a deficient number, since it is larger than the sum of its proper divisors (10177512154).

20353703366 is a wasteful number, since it uses less digits than its factorization.

20353703366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220158.

The product of its (nonzero) digits is 204120, while the sum is 38.

The spelling of 20353703366 in words is "twenty billion, three hundred fifty-three million, seven hundred three thousand, three hundred sixty-six".