20826262802 has 4 divisors (see below), whose sum is σ = 31239394206. Its totient is φ = 10413131400.

The previous prime is 20826262763. The next prime is 20826262819.

20826262802 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 20581058521 + 245204281 = 143461^2 + 15659^2 .

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 as a sum of consecutive naturals, namely, 5206565699 + ... + 5206565702.

Almost surely, 2^20826262802 is an apocalyptic number.

20826262802 is a deficient number, since it is larger than the sum of its proper divisors (10413131404).

20826262802 is a wasteful number, since it uses less digits than its factorization.

20826262802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10413131403.

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 20826262802 in words is "twenty billion, eight hundred twenty-six million, two hundred sixty-two thousand, eight hundred two".