20602040366 has 8 divisors (see below), whose sum is σ = 32529537480. Its totient is φ = 9758861208.

The previous prime is 20602040269. The next prime is 20602040399. The reversal of 20602040366 is 66304020602.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271079441 + ... + 271079516.

It is an arithmetic number, because the mean of its divisors is an integer number (4066192185).

Almost surely, 2^20602040366 is an apocalyptic number.

20602040366 is a deficient number, since it is larger than the sum of its proper divisors (11927497114).

20602040366 is a wasteful number, since it uses less digits than its factorization.

20602040366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542158978.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 20602040366 its reverse (66304020602), we get a palindrome (86906060968).

The spelling of 20602040366 in words is "twenty billion, six hundred two million, forty thousand, three hundred sixty-six".