20435004503534 has 8 divisors (see below), whose sum is σ = 30652527422880. Its totient is φ = 10217495362576.

The previous prime is 20435004503527. The next prime is 20435004503581. The reversal of 20435004503534 is 43530540053402.

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

It is a congruent number.

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, 1957787 + ... + 6686025.

It is an arithmetic number, because the mean of its divisors is an integer number (3831565927860).

Almost surely, 2^{20435004503534} is an apocalyptic number.

20435004503534 is a deficient number, since it is larger than the sum of its proper divisors (10217522919346).

20435004503534 is a wasteful number, since it uses less digits than its factorization.

20435004503534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6889194.

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 20435004503534 its reverse (43530540053402), we get a palindrome (63965544556936).

The spelling of 20435004503534 in words is "twenty trillion, four hundred thirty-five billion, four million, five hundred three thousand, five hundred thirty-four".