20503812262 has 16 divisors (see below), whose sum is σ = 31595154192. Its totient is φ = 9973511680.

The previous prime is 20503812239. The next prime is 20503812271. The reversal of 20503812262 is 26221830502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325228 + ... + 383119.

It is an arithmetic number, because the mean of its divisors is an integer number (1974697137).

Almost surely, 2^20503812262 is an apocalyptic number.

20503812262 is a deficient number, since it is larger than the sum of its proper divisors (11091341930).

20503812262 is a wasteful number, since it uses less digits than its factorization.

20503812262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708743.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 20503812262 in words is "twenty billion, five hundred three million, eight hundred twelve thousand, two hundred sixty-two".