20404134424333 has 16 divisors (see below), whose sum is σ = 23430767754240. Its totient is φ = 17572801662000.

The previous prime is 20404134424273. The next prime is 20404134424369. The reversal of 20404134424333 is 33342443140402.

It is not a de Polignac number, because 20404134424333 - 2¹⁷ = 20404134293261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20404134424292 and 20404134424301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20404134424033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33799366 + ... + 34397752.

It is an arithmetic number, because the mean of its divisors is an integer number (1464422984640).

Almost surely, 2^{20404134424333} is an apocalyptic number.

It is an amenable number.

20404134424333 is a deficient number, since it is larger than the sum of its proper divisors (3026633329907).

20404134424333 is a wasteful number, since it uses less digits than its factorization.

20404134424333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761568.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 20404134424333 its reverse (33342443140402), we get a palindrome (53746577564735).

The spelling of 20404134424333 in words is "twenty trillion, four hundred four billion, one hundred thirty-four million, four hundred twenty-four thousand, three hundred thirty-three".