20467337195040 has 48 divisors (see below), whose sum is σ = 64472112165888. Its totient is φ = 5457956585216.

The previous prime is 20467337195003. The next prime is 20467337195047. The reversal of 20467337195040 is 4059173376402.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (20467337195047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21320142432 + ... + 21320143391.

It is an arithmetic number, because the mean of its divisors is an integer number (1343169003456).

Almost surely, 2^{20467337195040} is an apocalyptic number.

20467337195040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20467337195040 is an abundant number, since it is smaller than the sum of its proper divisors (44004774970848).

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

20467337195040 is a wasteful number, since it uses less digits than its factorization.

20467337195040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42640285841 (or 42640285833 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 20467337195040 in words is "twenty trillion, four hundred sixty-seven billion, three hundred thirty-seven million, one hundred ninety-five thousand, forty".