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20223002120 = 2351729739709
BaseRepresentation
bin10010110101011000…
…101000011000001000
31221012101010221122112
4102311120220120020
5312404042031440
613142413041452
71314100452566
oct226530503010
957171127575
1020223002120
1186383a28a2
123b04786288
131ba3956959
14d9bb74a36
157d561a965
hex4b5628608

20223002120 has 32 divisors (see below), whose sum is σ = 48178330200. Its totient is φ = 7613365248.

The previous prime is 20223002119. The next prime is 20223002143. The reversal of 20223002120 is 2120032202.

It can be written as a sum of positive squares in 4 ways, for example, as 20006970916 + 216031204 = 141446^2 + 14698^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20223002095 and 20223002104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14869175 + ... + 14870534.

Almost surely, 220223002120 is an apocalyptic number.

20223002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20223002120 is an abundant number, since it is smaller than the sum of its proper divisors (27955328080).

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

20223002120 is a wasteful number, since it uses less digits than its factorization.

20223002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29739737 (or 29739733 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20223002120 its reverse (2120032202), we get a palindrome (22343034322).

The spelling of 20223002120 in words is "twenty billion, two hundred twenty-three million, two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 29739709 59479418 118958836 148698545 237917672 297397090 505575053 594794180 1011150106 1189588360 2022300212 2527875265 4044600424 5055750530 10111501060 20223002120