20535301045 has 24 divisors (see below), whose sum is σ = 29916791424. Its totient is φ = 13253028096.

The previous prime is 20535301009. The next prime is 20535301049. The reversal of 20535301045 is 54010353502.

It is a de Polignac number, because none of the positive numbers 2^k-20535301045 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20535301049) 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, 1004977 + ... + 1025206.

It is an arithmetic number, because the mean of its divisors is an integer number (1246532976).

Almost surely, 2^20535301045 is an apocalyptic number.

It is an amenable number.

20535301045 is a deficient number, since it is larger than the sum of its proper divisors (9381490379).

20535301045 is a wasteful number, since it uses less digits than its factorization.

20535301045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030229 (or 2030212 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 20535301045 its reverse (54010353502), we get a palindrome (74545654547).

The spelling of 20535301045 in words is "twenty billion, five hundred thirty-five million, three hundred one thousand, forty-five".