20416141561040 has 20 divisors (see below), whose sum is σ = 47467529129604. Its totient is φ = 8166456624384.

The previous prime is 20416141561033. The next prime is 20416141561063. The reversal of 20416141561040 is 4016514161402.

It can be written as a sum of positive squares in 2 ways, for example, as 5732806571584 + 14683334989456 = 2394328^2 + 3831884^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127600884677 + ... + 127600884836.

Almost surely, 2^{20416141561040} is an apocalyptic number.

20416141561040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20416141561040 is an abundant number, since it is smaller than the sum of its proper divisors (27051387568564).

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

20416141561040 is a wasteful number, since it uses less digits than its factorization.

20416141561040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255201769526 (or 255201769520 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 20416141561040 in words is "twenty trillion, four hundred sixteen billion, one hundred forty-one million, five hundred sixty-one thousand, forty".