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20100200010000 = 2435411478811471
BaseRepresentation
bin1001001000111111100010…
…10010000001000100010000
32122011120010111110102001020
410210133301102001010100
510113310202200310000
6110425523204035440
74143122460035625
oct444376122010420
978146114412036
1020100200010000
11644a4a0992660
122307678392b80
13b2a596382196
144d6bd7aa434c
1524ccbb92cba0
hex1247f1481110

20100200010000 has 800 divisors, whose sum is σ = 72422180683776. Its totient is φ = 4760448000000.

The previous prime is 20100200009969. The next prime is 20100200010031. The reversal of 20100200010000 is 1000200102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20100200009969) and next prime (20100200010031).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 13664309265 + ... + 13664310735.

Almost surely, 220100200010000 is an apocalyptic number.

20100200010000 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 20100200010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36211090341888).

20100200010000 is an abundant number, since it is smaller than the sum of its proper divisors (52321980673776).

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

20100200010000 is a wasteful number, since it uses less digits than its factorization.

20100200010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441 (or 2420 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 20100200010000 its reverse (1000200102), we get a palindrome (20101200210102).

The spelling of 20100200010000 in words is "twenty trillion, one hundred billion, two hundred million, ten thousand".