20045310534 has 48 divisors (see below), whose sum is σ = 44327733840. Its totient is φ = 6544710720.

The previous prime is 20045310529. The next prime is 20045310539. The reversal of 20045310534 is 43501354002.

20045310534 is a `hidden beast` number, since 200 + 453 + 1 + 0 + 5 + 3 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (20045310529) and next prime (20045310539).

It is a junction number, because it is equal to n+sod(n) for n = 20045310498 and 20045310507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045310539) 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, 260104 + ... + 328244.

It is an arithmetic number, because the mean of its divisors is an integer number (923494455).

Almost surely, 2^20045310534 is an apocalyptic number.

20045310534 is an abundant number, since it is smaller than the sum of its proper divisors (24282423306).

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

20045310534 is a wasteful number, since it uses less digits than its factorization.

20045310534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68485 (or 68482 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20045310534 its reverse (43501354002), we get a palindrome (63546664536).

The spelling of 20045310534 in words is "twenty billion, forty-five million, three hundred ten thousand, five hundred thirty-four".