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120213003220 = 2256010650161
BaseRepresentation
bin110111111110101000…
…0001101101111010100
3102111021211222021222121
41233331100031233110
53432144012100340
6131120341505324
711453663445022
oct1577520155724
9374254867877
10120213003220
1146a89119642
121b36b112244
13b44a37518b
145b65751712
1531d8a2c94a
hex1bfd40dbd4

120213003220 has 12 divisors (see below), whose sum is σ = 252447306804. Its totient is φ = 48085201280.

The previous prime is 120213003151. The next prime is 120213003247. The reversal of 120213003220 is 22300312021.

It can be written as a sum of positive squares in 2 ways, for example, as 74394744516 + 45818258704 = 272754^2 + 214052^2 .

It is a super-2 number, since 2×1202130032202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120213003194 and 120213003203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005325061 + ... + 3005325100.

It is an arithmetic number, because the mean of its divisors is an integer number (21037275567).

Almost surely, 2120213003220 is an apocalyptic number.

120213003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120213003220 is an abundant number, since it is smaller than the sum of its proper divisors (132234303584).

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

120213003220 is a wasteful number, since it uses less digits than its factorization.

120213003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010650170 (or 6010650168 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 120213003220 its reverse (22300312021), we get a palindrome (142513315241).

The spelling of 120213003220 in words is "one hundred twenty billion, two hundred thirteen million, three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 6010650161 12021300322 24042600644 30053250805 60106501610 120213003220