20401434333 has 32 divisors (see below), whose sum is σ = 34553502720. Its totient is φ = 11654118000.

The previous prime is 20401434331. The next prime is 20401434343. The reversal of 20401434333 is 33343410402.

It is not a de Polignac number, because 20401434333 - 2¹ = 20401434331 is a prime.

It is a super-2 number, since 2×20401434333² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20401434297 and 20401434306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401434331) 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, 616458 + ... + 648708.

It is an arithmetic number, because the mean of its divisors is an integer number (1079796960).

Almost surely, 2^20401434333 is an apocalyptic number.

It is an amenable number.

20401434333 is a deficient number, since it is larger than the sum of its proper divisors (14152068387).

20401434333 is a wasteful number, since it uses less digits than its factorization.

20401434333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35614 (or 35608 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 20401434333 its reverse (33343410402), we get a palindrome (53744844735).

The spelling of 20401434333 in words is "twenty billion, four hundred one million, four hundred thirty-four thousand, three hundred thirty-three".