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120210120220 = 2256010506011
BaseRepresentation
bin110111111110100010…
…1001101111000011100
3102111021122112211020211
41233331011031320130
53432142242321340
6131120200022204
711453630106541
oct1577505157034
9374248484224
10120210120220
1146a8752a5a3
121b36a161964
13b4498a5b68
145b65200bc8
1531d865d5ea
hex1bfd14de1c

120210120220 has 12 divisors (see below), whose sum is σ = 252441252504. Its totient is φ = 48084048080.

The previous prime is 120210120119. The next prime is 120210120229. The reversal of 120210120220 is 22021012021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120210120220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120210120229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005252986 + ... + 3005253025.

It is an arithmetic number, because the mean of its divisors is an integer number (21036771042).

Almost surely, 2120210120220 is an apocalyptic number.

120210120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120210120220 is an abundant number, since it is smaller than the sum of its proper divisors (132231132284).

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

120210120220 is a wasteful number, since it uses less digits than its factorization.

120210120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010506020 (or 6010506018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120210120220 its reverse (22021012021), we get a palindrome (142231132241).

The spelling of 120210120220 in words is "one hundred twenty billion, two hundred ten million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 6010506011 12021012022 24042024044 30052530055 60105060110 120210120220