20452104534 has 96 divisors (see below), whose sum is σ = 43650756864. Its totient is φ = 6380216640.

The previous prime is 20452104529. The next prime is 20452104539. The reversal of 20452104534 is 43540125402.

It is an interprime number because it is at equal distance from previous prime (20452104529) and next prime (20452104539).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452104539) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65762239 + ... + 65762549.

It is an arithmetic number, because the mean of its divisors is an integer number (454695384).

Almost surely, 2^20452104534 is an apocalyptic number.

20452104534 is an abundant number, since it is smaller than the sum of its proper divisors (23198652330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20452104534 is a wasteful number, since it uses less digits than its factorization.

20452104534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 20452104534 its reverse (43540125402), we get a palindrome (63992229936).

The spelling of 20452104534 in words is "twenty billion, four hundred fifty-two million, one hundred four thousand, five hundred thirty-four".