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20032103130000 = 243541353969139
BaseRepresentation
bin1001000111000000101100…
…11001000010001110010000
32121221001100201011111000120
410203200112121002032100
510111201221400130000
6110334342055350240
74135162122102033
oct443402631021620
977831321144016
1020032103130000
116423626a87835
1222b6432982380
13b240332c1550
144d37b7b2901a
1524b1334446a0
hex123816642390

20032103130000 has 400 divisors, whose sum is σ = 70954677984960. Its totient is φ = 4837936896000.

The previous prime is 20032103129981. The next prime is 20032103130037. The reversal of 20032103130000 is 3130123002.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20185431 + ... + 21154569.

Almost surely, 220032103130000 is an apocalyptic number.

20032103130000 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 20032103130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35477338992480).

20032103130000 is an abundant number, since it is smaller than the sum of its proper divisors (50922574854960).

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

20032103130000 is a wasteful number, since it uses less digits than its factorization.

20032103130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969236 (or 969215 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20032103130000 its reverse (3130123002), we get a palindrome (20035233253002).

The spelling of 20032103130000 in words is "twenty trillion, thirty-two billion, one hundred three million, one hundred thirty thousand".