20235340366 has 8 divisors (see below), whose sum is σ = 31950537480. Its totient is φ = 9585161208.

The previous prime is 20235340319. The next prime is 20235340387. The reversal of 20235340366 is 66304353202.

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, 266254441 + ... + 266254516.

It is an arithmetic number, because the mean of its divisors is an integer number (3993817185).

Almost surely, 2^20235340366 is an apocalyptic number.

20235340366 is a deficient number, since it is larger than the sum of its proper divisors (11715197114).

20235340366 is a wasteful number, since it uses less digits than its factorization.

20235340366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532508978.

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 20235340366 its reverse (66304353202), we get a palindrome (86539693568).

The spelling of 20235340366 in words is "twenty billion, two hundred thirty-five million, three hundred forty thousand, three hundred sixty-six".