20754535120 has 80 divisors (see below), whose sum is σ = 53275465152. Its totient is φ = 7456148480.

The previous prime is 20754535099. The next prime is 20754535129. The reversal of 20754535120 is 2153545702.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×20754535120³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20754535129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69037 + ... + 215116.

Almost surely, 2^20754535120 is an apocalyptic number.

20754535120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20754535120 is an abundant number, since it is smaller than the sum of its proper divisors (32520930032).

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

20754535120 is a wasteful number, since it uses less digits than its factorization.

20754535120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284260 (or 284254 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The spelling of 20754535120 in words is "twenty billion, seven hundred fifty-four million, five hundred thirty-five thousand, one hundred twenty".