20206214499 has 4 divisors (see below), whose sum is σ = 26941619336. Its totient is φ = 13470809664.

The previous prime is 20206214489. The next prime is 20206214503. The reversal of 20206214499 is 99441260202.

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

It is not a de Polignac number, because 20206214499 - 2⁸ = 20206214243 is a prime.

It is a super-2 number, since 2×20206214499² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20206214419) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3367702414 + ... + 3367702419.

It is an arithmetic number, because the mean of its divisors is an integer number (6735404834).

Almost surely, 2^20206214499 is an apocalyptic number.

20206214499 is a deficient number, since it is larger than the sum of its proper divisors (6735404837).

20206214499 is an equidigital number, since it uses as much as digits as its factorization.

20206214499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735404836.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 20206214499 in words is "twenty billion, two hundred six million, two hundred fourteen thousand, four hundred ninety-nine".