20135754543216 has 80 divisors (see below), whose sum is σ = 57825756692480. Its totient is φ = 5995758170880.

The previous prime is 20135754543209. The next prime is 20135754543221. The reversal of 20135754543216 is 61234545753102.

It is a super-2 number, since 2×20135754543216² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520445776 + ... + 520484463.

It is an arithmetic number, because the mean of its divisors is an integer number (722821958656).

Almost surely, 2^{20135754543216} is an apocalyptic number.

20135754543216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20135754543216 is an abundant number, since it is smaller than the sum of its proper divisors (37690002149264).

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

20135754543216 is a wasteful number, since it uses less digits than its factorization.

20135754543216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040930294 (or 1040930288 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 20135754543216 in words is "twenty trillion, one hundred thirty-five billion, seven hundred fifty-four million, five hundred forty-three thousand, two hundred sixteen".