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20020003130100 = 223522318134574637
BaseRepresentation
bin1001000110101010001010…
…01011001100101011110100
32121212220010102212210121010
410203111011023030223310
510111001431300130400
6110325021254352220
74134253224563301
oct443250513145364
977786112783533
1020020003130100
116419487934816
1222b401665b670
13b22b555162ac
144d2d8ab1a0a8
1524ab7601e450
hex1235452ccaf4

20020003130100 has 288 divisors, whose sum is σ = 60807631562496. Its totient is φ = 5075774668800.

The previous prime is 20020003130059. The next prime is 20020003130137. The reversal of 20020003130100 is 103130002002.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4317444982 + ... + 4317449618.

It is an arithmetic number, because the mean of its divisors is an integer number (211137609592).

Almost surely, 220020003130100 is an apocalyptic number.

20020003130100 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 20020003130100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30403815781248).

20020003130100 is an abundant number, since it is smaller than the sum of its proper divisors (40787628432396).

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

20020003130100 is a wasteful number, since it uses less digits than its factorization.

20020003130100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8315 (or 8308 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20020003130100 its reverse (103130002002), we get a palindrome (20123133132102).

The spelling of 20020003130100 in words is "twenty trillion, twenty billion, three million, one hundred thirty thousand, one hundred".