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120202002020 = 22528032144167
BaseRepresentation
bin110111111110010011…
…0001111111001100100
3102111021002021101011202
41233330212033321210
53432133203031040
6131115310022032
711453501105402
oct1577446177144
9374232241152
10120202002020
1146a82995241
121b3674a7918
13b447cc29a9
145b640ca472
1531d7aa8015
hex1bfc98fe64

120202002020 has 24 divisors (see below), whose sum is σ = 252514377024. Its totient is φ = 48063625056.

The previous prime is 120202002013. The next prime is 120202002029. The reversal of 120202002020 is 20200202021.

It is a junction number, because it is equal to n+sod(n) for n = 120202001992 and 120202002010.

It is not an unprimeable number, because it can be changed into a prime (120202002029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016024 + ... + 1128143.

It is an arithmetic number, because the mean of its divisors is an integer number (10521432376).

Almost surely, 2120202002020 is an apocalyptic number.

120202002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120202002020 is an abundant number, since it is smaller than the sum of its proper divisors (132312375004).

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

120202002020 is a wasteful number, since it uses less digits than its factorization.

120202002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146979 (or 2146977 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 120202002020 its reverse (20200202021), we get a palindrome (140402204041).

The spelling of 120202002020 in words is "one hundred twenty billion, two hundred two million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 2803 5606 11212 14015 28030 56060 2144167 4288334 8576668 10720835 21441670 42883340 6010100101 12020200202 24040400404 30050500505 60101001010 120202002020