20434001404 has 24 divisors (see below), whose sum is σ = 36210037248. Its totient is φ = 10088410800.

The previous prime is 20434001387. The next prime is 20434001519. The reversal of 20434001404 is 40410043402.

It is a congruent number.

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, 631959 + ... + 663505.

It is an arithmetic number, because the mean of its divisors is an integer number (1508751552).

Almost surely, 2^20434001404 is an apocalyptic number.

It is an amenable number.

20434001404 is a deficient number, since it is larger than the sum of its proper divisors (15776035844).

20434001404 is a wasteful number, since it uses less digits than its factorization.

20434001404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33585 (or 33583 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20434001404 its reverse (40410043402), we get a palindrome (60844044806).

The spelling of 20434001404 in words is "twenty billion, four hundred thirty-four million, one thousand, four hundred four".