20007535533700 has 144 divisors (see below), whose sum is σ = 51137760098880. Its totient is φ = 6698549952000.

The previous prime is 20007535533631. The next prime is 20007535533737. The reversal of 20007535533700 is 733553570002.

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 47 ways as a sum of consecutive naturals, for example, 3764335 + ... + 7361065.

It is an arithmetic number, because the mean of its divisors is an integer number (355123334020).

Almost surely, 2^{20007535533700} is an apocalyptic number.

20007535533700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20007535533700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25568880049440).

20007535533700 is an abundant number, since it is smaller than the sum of its proper divisors (31130224565180).

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

20007535533700 is a wasteful number, since it uses less digits than its factorization.

20007535533700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597158 (or 3597151 counting only the distinct ones).

The product of its (nonzero) digits is 330750, while the sum is 40.

The spelling of 20007535533700 in words is "twenty trillion, seven billion, five hundred thirty-five million, five hundred thirty-three thousand, seven hundred".