20734305717460 has 24 divisors (see below), whose sum is σ = 44554647636576. Its totient is φ = 8100845024160.

The previous prime is 20734305717457. The next prime is 20734305717493. The reversal of 20734305717460 is 6471750343702.

It is a happy number.

It is a super-2 number, since 2×20734305717460² (a number of 27 digits) contains 22 as substring.

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, 12054828046 + ... + 12054829765.

It is an arithmetic number, because the mean of its divisors is an integer number (1856443651524).

Almost surely, 2^{20734305717460} is an apocalyptic number.

20734305717460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20734305717460 is an abundant number, since it is smaller than the sum of its proper divisors (23820341919116).

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

20734305717460 is a wasteful number, since it uses less digits than its factorization.

20734305717460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24109657863 (or 24109657861 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 49.

The spelling of 20734305717460 in words is "twenty trillion, seven hundred thirty-four billion, three hundred five million, seven hundred seventeen thousand, four hundred sixty".