20514364342040 has 16 divisors (see below), whose sum is σ = 46157319769680. Its totient is φ = 8205745736800.

The previous prime is 20514364342033. The next prime is 20514364342049. The reversal of 20514364342040 is 4024346341502.

It is a super-2 number, since 2×20514364342040² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20514364341985 and 20514364342003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514364342049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 256429554236 + ... + 256429554315.

It is an arithmetic number, because the mean of its divisors is an integer number (2884832485605).

Almost surely, 2^{20514364342040} is an apocalyptic number.

20514364342040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20514364342040 is an abundant number, since it is smaller than the sum of its proper divisors (25642955427640).

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

20514364342040 is a wasteful number, since it uses less digits than its factorization.

20514364342040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512859108562 (or 512859108558 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 20514364342040 in words is "twenty trillion, five hundred fourteen billion, three hundred sixty-four million, three hundred forty-two thousand, forty".