20537713704250 has 64 divisors (see below), whose sum is σ = 38698259483520. Its totient is φ = 8161399680000.

The previous prime is 20537713704223. The next prime is 20537713704253. The reversal of 20537713704250 is 5240731773502.

It is a self number, because there is not a number n which added to its sum of digits gives 20537713704250.

It is not an unprimeable number, because it can be changed into a prime (20537713704253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46813914 + ... + 47250586.

It is an arithmetic number, because the mean of its divisors is an integer number (604660304430).

Almost surely, 2^{20537713704250} is an apocalyptic number.

20537713704250 is a deficient number, since it is larger than the sum of its proper divisors (18160545779270).

20537713704250 is a wasteful number, since it uses less digits than its factorization.

20537713704250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437920 (or 437910 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 46.

The spelling of 20537713704250 in words is "twenty trillion, five hundred thirty-seven billion, seven hundred thirteen million, seven hundred four thousand, two hundred fifty".