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120033042020 = 22510358268467
BaseRepresentation
bin110111111001010000…
…1101101111001100100
3102110211022100022121222
41233302201231321210
53431311424321040
6131050432355512
711446350010553
oct1576241557144
9373738308558
10120033042020
11469a6583081
121b31a9a5b98
13b41bcb5b68
145b498a7d9a
1531c7d30bb5
hex1bf286de64

120033042020 has 24 divisors (see below), whose sum is σ = 254516668224. Its totient is φ = 47547068256.

The previous prime is 120033041983. The next prime is 120033042029. The reversal of 120033042020 is 20240330021.

It is a self number, because there is not a number n which added to its sum of digits gives 120033042020.

It is not an unprimeable number, because it can be changed into a prime (120033042029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29132174 + ... + 29136293.

It is an arithmetic number, because the mean of its divisors is an integer number (10604861176).

Almost surely, 2120033042020 is an apocalyptic number.

120033042020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120033042020 is an abundant number, since it is smaller than the sum of its proper divisors (134483626204).

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

120033042020 is a wasteful number, since it uses less digits than its factorization.

120033042020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58268579 (or 58268577 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 120033042020 its reverse (20240330021), we get a palindrome (140273372041).

The spelling of 120033042020 in words is "one hundred twenty billion, thirty-three million, forty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 58268467 116536934 233073868 291342335 582684670 1165369340 6001652101 12003304202 24006608404 30008260505 60016521010 120033042020