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20202112231030 = 2521124139728053
BaseRepresentation
bin1001001011111101010111…
…01110010010011001110110
32122112022011221021122102001
410211332223232102121312
510121442411212343110
6110544420000405514
74153361113443562
oct445765356223166
978468157248361
1020202112231030
116489738760714
12232337a61689a
13b370880b3c52
144dbb04a906a2
1525078398b63a
hex125fabb92676

20202112231030 has 32 divisors (see below), whose sum is σ = 36687745483488. Its totient is φ = 8009175283200.

The previous prime is 20202112231013. The next prime is 20202112231033. The reversal of 20202112231030 is 3013221120202.

It is a junction number, because it is equal to n+sod(n) for n = 20202112230989 and 20202112231007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202112231033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19355517 + ... + 20372536.

It is an arithmetic number, because the mean of its divisors is an integer number (1146492046359).

Almost surely, 220202112231030 is an apocalyptic number.

20202112231030 is a deficient number, since it is larger than the sum of its proper divisors (16485633252458).

20202112231030 is a wasteful number, since it uses less digits than its factorization.

20202112231030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39728512.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20202112231030 its reverse (3013221120202), we get a palindrome (23215333351232).

The spelling of 20202112231030 in words is "twenty trillion, two hundred two billion, one hundred twelve million, two hundred thirty-one thousand, thirty".

Divisors: 1 2 5 10 211 241 422 482 1055 1205 2110 2410 50851 101702 254255 508510 39728053 79456106 198640265 397280530 8382619183 9574460773 16765238366 19148921546 41913095915 47872303865 83826191830 95744607730 2020211223103 4040422446206 10101056115515 20202112231030