20828095959 has 32 divisors (see below), whose sum is σ = 30750743808. Its totient is φ = 12433824000.

The previous prime is 20828095957. The next prime is 20828095961. The reversal of 20828095959 is 95959082802.

It is an interprime number because it is at equal distance from previous prime (20828095957) and next prime (20828095961).

It is not a de Polignac number, because 20828095959 - 2¹ = 20828095957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20828095899 and 20828095908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20828095957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1972524 + ... + 1983054.

It is an arithmetic number, because the mean of its divisors is an integer number (960960744).

Almost surely, 2^20828095959 is an apocalyptic number.

20828095959 is a deficient number, since it is larger than the sum of its proper divisors (9922647849).

20828095959 is a wasteful number, since it uses less digits than its factorization.

20828095959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11439.

The product of its (nonzero) digits is 4665600, while the sum is 57.

The spelling of 20828095959 in words is "twenty billion, eight hundred twenty-eight million, ninety-five thousand, nine hundred fifty-nine".