20340521363210 has 32 divisors (see below), whose sum is σ = 36717903728640. Its totient is φ = 8112893776768.

The previous prime is 20340521363171. The next prime is 20340521363233. The reversal of 20340521363210 is 1236312504302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14372219 + ... + 15723921.

It is an arithmetic number, because the mean of its divisors is an integer number (1147434491520).

Almost surely, 2^{20340521363210} is an apocalyptic number.

20340521363210 is a deficient number, since it is larger than the sum of its proper divisors (16377382365430).

20340521363210 is a wasteful number, since it uses less digits than its factorization.

20340521363210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356022.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 20340521363210 its reverse (1236312504302), we get a palindrome (21576833867512).

The spelling of 20340521363210 in words is "twenty trillion, three hundred forty billion, five hundred twenty-one million, three hundred sixty-three thousand, two hundred ten".