20002110310434 has 24 divisors (see below), whose sum is σ = 46535521947408. Its totient is φ = 5714888660040.

The previous prime is 20002110310433. The next prime is 20002110310477. The reversal of 20002110310434 is 43401301120002.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20002110310434.

It is not an unprimeable number, because it can be changed into a prime (20002110310433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34017194112 + ... + 34017194699.

It is an arithmetic number, because the mean of its divisors is an integer number (1938980081142).

Almost surely, 2^{20002110310434} is an apocalyptic number.

20002110310434 is an abundant number, since it is smaller than the sum of its proper divisors (26533411636974).

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

20002110310434 is a wasteful number, since it uses less digits than its factorization.

20002110310434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68034388830 (or 68034388823 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20002110310434 its reverse (43401301120002), we get a palindrome (63403411430436).

The spelling of 20002110310434 in words is "twenty trillion, two billion, one hundred ten million, three hundred ten thousand, four hundred thirty-four".