1717040052020 has 24 divisors (see below), whose sum is σ = 3620149793568. Its totient is φ = 684079700000.

The previous prime is 1717040051999. The next prime is 1717040052031. The reversal of 1717040052020 is 202500407171.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171014906 + ... + 171024945.

It is an arithmetic number, because the mean of its divisors is an integer number (150839574732).

Almost surely, 2^{1717040052020} is an apocalyptic number.

1717040052020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1717040052020 is an abundant number, since it is smaller than the sum of its proper divisors (1903109741548).

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

1717040052020 is a wasteful number, since it uses less digits than its factorization.

1717040052020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342040111 (or 342040109 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

Adding to 1717040052020 its reverse (202500407171), we get a palindrome (1919540459191).

The spelling of 1717040052020 in words is "one trillion, seven hundred seventeen billion, forty million, fifty-two thousand, twenty".