20353354115532 has 12 divisors (see below), whose sum is σ = 47491159602936. Its totient is φ = 6784451371840.

The previous prime is 20353354115519. The next prime is 20353354115533. The reversal of 20353354115532 is 23551145335302.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20353354115533) 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 3 ways as a sum of consecutive naturals, for example, 848056421469 + ... + 848056421492.

It is an arithmetic number, because the mean of its divisors is an integer number (3957596633578).

Almost surely, 2^{20353354115532} is an apocalyptic number.

It is an amenable number.

20353354115532 is an abundant number, since it is smaller than the sum of its proper divisors (27137805487404).

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

20353354115532 is a wasteful number, since it uses less digits than its factorization.

20353354115532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696112842968 (or 1696112842966 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 20353354115532 in words is "twenty trillion, three hundred fifty-three billion, three hundred fifty-four million, one hundred fifteen thousand, five hundred thirty-two".