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20101202001120 = 2535374783290137
BaseRepresentation
bin1001001001000001011010…
…00000010011110011100000
32122011122201022212211110110
410210200231000103303200
510113314230203013440
6110430210440131320
74143156344601552
oct444405500236340
978148638784413
1020101202001120
11644a965546399
1223078b7a66b40
13b2a6c5b38736
144d6c90bad4d2
1524cd298a4080
hex12482d013ce0

20101202001120 has 384 divisors, whose sum is σ = 67214121117696. Its totient is φ = 5042962907136.

The previous prime is 20101202001119. The next prime is 20101202001137. The reversal of 20101202001120 is 2110020210102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20101202001096 and 20101202001105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69136692 + ... + 69426828.

It is an arithmetic number, because the mean of its divisors is an integer number (175036773744).

Almost surely, 220101202001120 is an apocalyptic number.

20101202001120 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 20101202001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33607060558848).

20101202001120 is an abundant number, since it is smaller than the sum of its proper divisors (47112919116576).

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

20101202001120 is a wasteful number, since it uses less digits than its factorization.

20101202001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290322 (or 290314 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20101202001120 its reverse (2110020210102), we get a palindrome (22211222211222).

The spelling of 20101202001120 in words is "twenty trillion, one hundred one billion, two hundred two million, one thousand, one hundred twenty".