20233169401434 has 64 divisors (see below), whose sum is σ = 44635694837760. Its totient is φ = 6063290464320.

The previous prime is 20233169401387. The next prime is 20233169401439. The reversal of 20233169401434 is 43410496133202.

It is a super-2 number, since 2×20233169401434² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20233169401439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2817984 + ... + 6957540.

It is an arithmetic number, because the mean of its divisors is an integer number (697432731840).

Almost surely, 2^{20233169401434} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20233169401434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22317847418880).

20233169401434 is an abundant number, since it is smaller than the sum of its proper divisors (24402525436326).

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

20233169401434 is a wasteful number, since it uses less digits than its factorization.

20233169401434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140395.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 20233169401434 in words is "twenty trillion, two hundred thirty-three billion, one hundred sixty-nine million, four hundred one thousand, four hundred thirty-four".