20152454404 has 12 divisors (see below), whose sum is σ = 35267957200. Its totient is φ = 10075895208.

The previous prime is 20152454401. The next prime is 20152454407. The reversal of 20152454404 is 40445425102.

It is an interprime number because it is at equal distance from previous prime (20152454401) and next prime (20152454407).

It is a super-2 number, since 2×20152454404² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20152454401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96907 + ... + 222925.

Almost surely, 2^20152454404 is an apocalyptic number.

It is an amenable number.

20152454404 is a deficient number, since it is larger than the sum of its proper divisors (15115502796).

20152454404 is a wasteful number, since it uses less digits than its factorization.

20152454404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166002 (or 166000 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 20152454404 its reverse (40445425102), we get a palindrome (60597879506).

The spelling of 20152454404 in words is "twenty billion, one hundred fifty-two million, four hundred fifty-four thousand, four hundred four".