20453014534 has 16 divisors (see below), whose sum is σ = 33175355328. Its totient is φ = 9420161152.

The previous prime is 20453014511. The next prime is 20453014559. The reversal of 20453014534 is 43541035402.

It is a junction number, because it is equal to n+sod(n) for n = 20453014496 and 20453014505.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6397969 + ... + 6401164.

It is an arithmetic number, because the mean of its divisors is an integer number (2073459708).

Almost surely, 2^20453014534 is an apocalyptic number.

20453014534 is a deficient number, since it is larger than the sum of its proper divisors (12722340794).

20453014534 is a wasteful number, since it uses less digits than its factorization.

20453014534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12799199.

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

Adding to 20453014534 its reverse (43541035402), we get a palindrome (63994049936).

The spelling of 20453014534 in words is "twenty billion, four hundred fifty-three million, fourteen thousand, five hundred thirty-four".