20207829499 has 16 divisors (see below), whose sum is σ = 23877925344. Its totient is φ = 16859577600.

The previous prime is 20207829491. The next prime is 20207829511. The reversal of 20207829499 is 99492870202.

It is a cyclic number.

It is not a de Polignac number, because 20207829499 - 2³ = 20207829491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20207829491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383682 + ... + 433159.

It is an arithmetic number, because the mean of its divisors is an integer number (1492370334).

Almost surely, 2^20207829499 is an apocalyptic number.

20207829499 is a deficient number, since it is larger than the sum of its proper divisors (3670095845).

20207829499 is a wasteful number, since it uses less digits than its factorization.

20207829499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817038.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 20207829499 in words is "twenty billion, two hundred seven million, eight hundred twenty-nine thousand, four hundred ninety-nine".