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20212213210230 = 2351489452478469
BaseRepresentation
bin1001001100010000001011…
…10010011101110001110110
32122120021020220001112221210
410212020011302131301312
510122124103040211410
6110553210151422250
74154166325366536
oct446100562356166
978507226045853
1020212213210230
116492a51475908
122325319384986
13b38007998812
144dc3c23bb4c6
15250b75644220
hex126205c9dc76

20212213210230 has 32 divisors (see below), whose sum is σ = 48541890261600. Its totient is φ = 5386303683072.

The previous prime is 20212213210223. The next prime is 20212213210271. The reversal of 20212213210230 is 3201231221202.

It is a super-2 number, since 2×202122132102302 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20212213210197 and 20212213210206.

It is a congruent number.

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, 226194565 + ... + 226283904.

It is an arithmetic number, because the mean of its divisors is an integer number (1516934070675).

Almost surely, 220212213210230 is an apocalyptic number.

20212213210230 is an abundant number, since it is smaller than the sum of its proper divisors (28329677051370).

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

20212213210230 is a wasteful number, since it uses less digits than its factorization.

20212213210230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452479968.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20212213210230 its reverse (3201231221202), we get a palindrome (23413444431432).

The spelling of 20212213210230 in words is "twenty trillion, two hundred twelve billion, two hundred thirteen million, two hundred ten thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1489 2978 4467 7445 8934 14890 22335 44670 452478469 904956938 1357435407 2262392345 2714870814 4524784690 6787177035 13574354070 673740440341 1347480880682 2021221321023 3368702201705 4042442642046 6737404403410 10106106605115 20212213210230