20255996467 has 6 divisors (see below), whose sum is σ = 23563097988. Its totient is φ = 17362282644.

The previous prime is 20255996459. The next prime is 20255996513. The reversal of 20255996467 is 76469955202.

It is not a de Polignac number, because 20255996467 - 2³ = 20255996459 is a prime.

It is a super-2 number, since 2×20255996467² (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 (20255996567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206693793 + ... + 206693890.

It is an arithmetic number, because the mean of its divisors is an integer number (3927182998).

Almost surely, 2^20255996467 is an apocalyptic number.

20255996467 is a deficient number, since it is larger than the sum of its proper divisors (3307101521).

20255996467 is an equidigital number, since it uses as much as digits as its factorization.

20255996467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413387697 (or 413387690 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 20255996467 in words is "twenty billion, two hundred fifty-five million, nine hundred ninety-six thousand, four hundred sixty-seven".