20869263099 has 12 divisors (see below), whose sum is σ = 30160626912. Its totient is φ = 13905394800.

The previous prime is 20869263089. The next prime is 20869263101. The reversal of 20869263099 is 99036296802.

It is not a de Polignac number, because 20869263099 - 2¹⁵ = 20869230331 is a prime.

It is a super-2 number, since 2×20869263099² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20869263089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602832 + ... + 636509.

It is an arithmetic number, because the mean of its divisors is an integer number (2513385576).

Almost surely, 2^20869263099 is an apocalyptic number.

20869263099 is a deficient number, since it is larger than the sum of its proper divisors (9291363813).

20869263099 is a wasteful number, since it uses less digits than its factorization.

20869263099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241218 (or 1241215 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 20869263099 in words is "twenty billion, eight hundred sixty-nine million, two hundred sixty-three thousand, ninety-nine".