20364417645020 has 24 divisors (see below), whose sum is σ = 42765362476368. Its totient is φ = 8145750787200.

The previous prime is 20364417645007. The next prime is 20364417645073. The reversal of 20364417645020 is 2054671446302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17243675 + ... + 18386765.

It is an arithmetic number, because the mean of its divisors is an integer number (1781890103182).

Almost surely, 2^{20364417645020} is an apocalyptic number.

20364417645020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20364417645020 is an abundant number, since it is smaller than the sum of its proper divisors (22400944831348).

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

20364417645020 is a wasteful number, since it uses less digits than its factorization.

20364417645020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033861 (or 2033859 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 20364417645020 in words is "twenty trillion, three hundred sixty-four billion, four hundred seventeen million, six hundred forty-five thousand, twenty".