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2120200210220 = 2253112753123817
BaseRepresentation
bin11110110110100101110…
…001111100011100101100
321111200121101202012020212
4132312211301330130230
5234214132223211340
64302001224401552
7306115352301521
oct36664561743454
97450541665225
102120200210220
117481988218a4
122a2aaa9162b8
13124c1b07a611
1474892631148
153a24082ea65
hex1eda5c7c72c

2120200210220 has 48 divisors (see below), whose sum is σ = 4468395492288. Its totient is φ = 845039247360.

The previous prime is 2120200210217. The next prime is 2120200210241. The reversal of 2120200210220 is 220120020212.

It is a junction number, because it is equal to n+sod(n) for n = 2120200210195 and 2120200210204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17061752 + ... + 17185568.

It is an arithmetic number, because the mean of its divisors is an integer number (93091572756).

Almost surely, 22120200210220 is an apocalyptic number.

2120200210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120200210220 is an abundant number, since it is smaller than the sum of its proper divisors (2348195282068).

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

2120200210220 is a wasteful number, since it uses less digits than its factorization.

2120200210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126890 (or 126888 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2120200210220 its reverse (220120020212), we get a palindrome (2340320230432).

The spelling of 2120200210220 in words is "two trillion, one hundred twenty billion, two hundred million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 311 622 1244 1555 2753 3110 5506 6220 11012 13765 27530 55060 123817 247634 495268 619085 856183 1238170 1712366 2476340 3424732 4280915 8561830 17123660 38507087 77014174 154028348 192535435 340868201 385070870 681736402 770141740 1363472804 1704341005 3408682010 6817364020 106010010511 212020021022 424040042044 530050052555 1060100105110 2120200210220