4020155320000 has 140 divisors (see below), whose sum is σ = 9984009481776. Its totient is φ = 1605589120000.

The previous prime is 4020155319989. The next prime is 4020155320061. The reversal of 4020155320000 is 235510204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26043045 + ... + 26196955.

Almost surely, 2^{4020155320000} is an apocalyptic number.

4020155320000 is a gapful number since it is divisible by the number (40) 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 4020155320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4992004740888).

4020155320000 is an abundant number, since it is smaller than the sum of its proper divisors (5963854161776).

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

4020155320000 is an equidigital number, since it uses as much as digits as its factorization.

4020155320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154596 (or 154571 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The spelling of 4020155320000 in words is "four trillion, twenty billion, one hundred fifty-five million, three hundred twenty thousand".