20340433132170 has 16 divisors (see below), whose sum is σ = 48817039517280. Its totient is φ = 5424115501904.

The previous prime is 20340433132169. The next prime is 20340433132211. The reversal of 20340433132170 is 7123133404302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339007218840 + ... + 339007218899.

It is an arithmetic number, because the mean of its divisors is an integer number (3051064969830).

Almost surely, 2^{20340433132170} is an apocalyptic number.

20340433132170 is an abundant number, since it is smaller than the sum of its proper divisors (28476606385110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20340433132170 is a wasteful number, since it uses less digits than its factorization.

20340433132170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678014437749.

The product of its (nonzero) digits is 36288, while the sum is 33.

Adding to 20340433132170 its reverse (7123133404302), we get a palindrome (27463566536472).

The spelling of 20340433132170 in words is "twenty trillion, three hundred forty billion, four hundred thirty-three million, one hundred thirty-two thousand, one hundred seventy".