20154141400 has 24 divisors (see below), whose sum is σ = 46858379220. Its totient is φ = 8061656480.

The previous prime is 20154141389. The next prime is 20154141433. The reversal of 20154141400 is 414145102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50385154 + ... + 50385553.

Almost surely, 2^20154141400 is an apocalyptic number.

20154141400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20154141400 is an abundant number, since it is smaller than the sum of its proper divisors (26704237820).

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

20154141400 is a wasteful number, since it uses less digits than its factorization.

20154141400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100770723 (or 100770714 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 20154141400 its reverse (414145102), we get a palindrome (20568286502).

The spelling of 20154141400 in words is "twenty billion, one hundred fifty-four million, one hundred forty-one thousand, four hundred".