20154313424 has 20 divisors (see below), whose sum is σ = 44627408544. Its totient is φ = 8637562848.

The previous prime is 20154313423. The next prime is 20154313427. The reversal of 20154313424 is 42431345102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20154313423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89974502 + ... + 89974725.

Almost surely, 2^20154313424 is an apocalyptic number.

It is an amenable number.

20154313424 is an abundant number, since it is smaller than the sum of its proper divisors (24473095120).

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

20154313424 is a wasteful number, since it uses less digits than its factorization.

20154313424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179949242 (or 179949236 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 20154313424 its reverse (42431345102), we get a palindrome (62585658526).

The spelling of 20154313424 in words is "twenty billion, one hundred fifty-four million, three hundred thirteen thousand, four hundred twenty-four".