20154424514 has 48 divisors (see below), whose sum is σ = 35705292480. Its totient is φ = 8505796320.

The previous prime is 20154424513. The next prime is 20154424517. The reversal of 20154424514 is 41542445102.

20154424514 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (20154424513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9941969 + ... + 9943995.

It is an arithmetic number, because the mean of its divisors is an integer number (743860260).

Almost surely, 2^20154424514 is an apocalyptic number.

20154424514 is a deficient number, since it is larger than the sum of its proper divisors (15550867966).

20154424514 is a wasteful number, since it uses less digits than its factorization.

20154424514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543 (or 3536 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 20154424514 its reverse (41542445102), we get a palindrome (61696869616).

The spelling of 20154424514 in words is "twenty billion, one hundred fifty-four million, four hundred twenty-four thousand, five hundred fourteen".