20534102045 has 8 divisors (see below), whose sum is σ = 25008697824. Its totient is φ = 16182098064.

The previous prime is 20534102033. The next prime is 20534102077. The reversal of 20534102045 is 54020143502.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20534102045 - 2³² = 16239134749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30647579 + ... + 30648248.

It is an arithmetic number, because the mean of its divisors is an integer number (3126087228).

Almost surely, 2^20534102045 is an apocalyptic number.

It is an amenable number.

20534102045 is a deficient number, since it is larger than the sum of its proper divisors (4474595779).

20534102045 is an equidigital number, since it uses as much as digits as its factorization.

20534102045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61295899.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20534102045 its reverse (54020143502), we get a palindrome (74554245547).

The spelling of 20534102045 in words is "twenty billion, five hundred thirty-four million, one hundred two thousand, forty-five".