20403453514 has 8 divisors (see below), whose sum is σ = 31123912320. Its totient is φ = 10028816076.

The previous prime is 20403453481. The next prime is 20403453541. The reversal of 20403453514 is 41535430402.

20403453514 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86455194 + ... + 86455429.

It is an arithmetic number, because the mean of its divisors is an integer number (3890489040).

Almost surely, 2^20403453514 is an apocalyptic number.

20403453514 is a deficient number, since it is larger than the sum of its proper divisors (10720458806).

20403453514 is a wasteful number, since it uses less digits than its factorization.

20403453514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172910684.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 20403453514 its reverse (41535430402), we get a palindrome (61938883916).

The spelling of 20403453514 in words is "twenty billion, four hundred three million, four hundred fifty-three thousand, five hundred fourteen".