20452941340080 has 80 divisors (see below), whose sum is σ = 63704611762944. Its totient is φ = 5428268778240.

The previous prime is 20452941340079. The next prime is 20452941340121. The reversal of 20452941340080 is 8004314925402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201893884 + ... + 201995163.

Almost surely, 2^{20452941340080} is an apocalyptic number.

20452941340080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20452941340080 is an abundant number, since it is smaller than the sum of its proper divisors (43251670422864).

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

20452941340080 is a wasteful number, since it uses less digits than its factorization.

20452941340080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403889274 (or 403889268 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 20452941340080 in words is "twenty trillion, four hundred fifty-two billion, nine hundred forty-one million, three hundred forty thousand, eighty".