20003500052 has 6 divisors (see below), whose sum is σ = 35006125098. Its totient is φ = 10001750024.

The previous prime is 20003500009. The next prime is 20003500057. The reversal of 20003500052 is 25000530002.

It can be written as a sum of positive squares in only one way, i.e., 10250752516 + 9752747536 = 101246^2 + 98756^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20003500052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003500057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500437503 + ... + 2500437510.

It is an arithmetic number, because the mean of its divisors is an integer number (5834354183).

Almost surely, 2^20003500052 is an apocalyptic number.

It is an amenable number.

20003500052 is a deficient number, since it is larger than the sum of its proper divisors (15002625046).

20003500052 is a wasteful number, since it uses less digits than its factorization.

20003500052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000875017 (or 5000875015 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The spelling of 20003500052 in words is "twenty billion, three million, five hundred thousand, fifty-two".