20085480921552 has 80 divisors (see below), whose sum is σ = 52074946490112. Its totient is φ = 6670975252480.

The previous prime is 20085480921547. The next prime is 20085480921557. The reversal of 20085480921552 is 25512908458002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20085480921547) and next prime (20085480921557).

It is a junction number, because it is equal to n+sod(n) for n = 20085480921495 and 20085480921504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20085480921557) 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, 395537188 + ... + 395587964.

Almost surely, 2^{20085480921552} is an apocalyptic number.

It is an amenable number.

20085480921552 is an abundant number, since it is smaller than the sum of its proper divisors (31989465568560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20085480921552 is a wasteful number, since it uses less digits than its factorization.

20085480921552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80396 (or 80390 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 51.

The spelling of 20085480921552 in words is "twenty trillion, eighty-five billion, four hundred eighty million, nine hundred twenty-one thousand, five hundred fifty-two".