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20003422011432 = 23329371975577079
BaseRepresentation
bin1001000110001011010001…
…10111010000000000101000
32121211022022212120200211220
410203011220313100000220
510110214002013331212
6110313240055422040
74133125305443406
oct443055067200050
977738285520756
1020003422011432
116412449267962
1222b0969684920
13b21412245682
144d2256918476
1524a5054da38c
hex123168dd0028

20003422011432 has 256 divisors, whose sum is σ = 53504307648000. Its totient is φ = 6220022280192.

The previous prime is 20003422011421. The next prime is 20003422011439. The reversal of 20003422011432 is 23411022430002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20003422011439) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2825737669 + ... + 2825744747.

It is an arithmetic number, because the mean of its divisors is an integer number (209001201750).

Almost surely, 220003422011432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20003422011432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26752153824000).

20003422011432 is an abundant number, since it is smaller than the sum of its proper divisors (33500885636568).

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

20003422011432 is a wasteful number, since it uses less digits than its factorization.

20003422011432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7908 (or 7904 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20003422011432 its reverse (23411022430002), we get a palindrome (43414444441434).

The spelling of 20003422011432 in words is "twenty trillion, three billion, four hundred twenty-two million, eleven thousand, four hundred thirty-two".