20898313795 has 16 divisors (see below), whose sum is σ = 25218103680. Its totient is φ = 16625433600.

The previous prime is 20898313789. The next prime is 20898313801. The reversal of 20898313795 is 59731389802.

It is an interprime number because it is at equal distance from previous prime (20898313789) and next prime (20898313801).

It is not a de Polignac number, because 20898313795 - 2⁹ = 20898313283 is a prime.

It is an unprimeable number.

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, 854335 + ... + 878455.

It is an arithmetic number, because the mean of its divisors is an integer number (1576131480).

Almost surely, 2^20898313795 is an apocalyptic number.

20898313795 is a deficient number, since it is larger than the sum of its proper divisors (4319789885).

20898313795 is a wasteful number, since it uses less digits than its factorization.

20898313795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25086.

The product of its (nonzero) digits is 3265920, while the sum is 55.

It can be divided in two parts, 208983 and 13795, that added together give a triangular number (222778 = T₆₆₇).

The spelling of 20898313795 in words is "twenty billion, eight hundred ninety-eight million, three hundred thirteen thousand, seven hundred ninety-five".