20812750703 has 4 divisors (see below), whose sum is σ = 21003693480. Its totient is φ = 20621807928.

The previous prime is 20812750697. The next prime is 20812750753. The reversal of 20812750703 is 30705721802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20812750703 - 2⁸ = 20812750447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20812750753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95471225 + ... + 95471442.

It is an arithmetic number, because the mean of its divisors is an integer number (5250923370).

Almost surely, 2^20812750703 is an apocalyptic number.

20812750703 is a deficient number, since it is larger than the sum of its proper divisors (190942777).

20812750703 is a wasteful number, since it uses less digits than its factorization.

20812750703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190942776.

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 20812750703 in words is "twenty billion, eight hundred twelve million, seven hundred fifty thousand, seven hundred three".