| Base | Representation |
|---|---|
| bin | 1011110000111011100… |
| … | …0110010110010010100 |
| 3 | 201022200121200222212000 |
| 4 | 2330032320302302110 |
| 5 | 11302411441411040 |
| 6 | 232503255555300 |
| 7 | 20413361061210 |
| oct | 2741670626224 |
| 9 | 638617628760 |
| 10 | 202113232020 |
| 11 | 78796717747 |
| 12 | 3320738bb30 |
| 13 | 160a0090a1b |
| 14 | 9ad4a13940 |
| 15 | 53cdc52130 |
| hex | 2f0ee32c94 |
202113232020 has 192 divisors, whose sum is σ = 718873559040. Its totient is φ = 46181321856.
The previous prime is 202113232007. The next prime is 202113232091. The reversal of 202113232020 is 20232311202.
202113232020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 202113231984 and 202113232002.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13536279 + ... + 13551201.
It is an arithmetic number, because the mean of its divisors is an integer number (3744133120).
Almost surely, 2202113232020 is an apocalyptic number.
202113232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 202113232020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359436779520).
202113232020 is an abundant number, since it is smaller than the sum of its proper divisors (516760327020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202113232020 is a wasteful number, since it uses less digits than its factorization.
202113232020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18531 (or 18523 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 202113232020 its reverse (20232311202), we get a palindrome (222345543222).
The spelling of 202113232020 in words is "two hundred two billion, one hundred thirteen million, two hundred thirty-two thousand, twenty".
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