Search a number
-
+
20012322132000 = 2533531127121569
BaseRepresentation
bin1001000110011011110110…
…10110100001000000100000
32121212011022010201200001000
410203031323112201000200
510110340213431211000
6110321311152112000
74133561666303652
oct443157326410040
977764263650030
1020012322132000
1164161a613a200
1222b2632235600
13b222000c4cc3
144d285c9706d2
1524a876a38000
hex12337b5a1020

20012322132000 has 1152 divisors, whose sum is σ = 81200634278400. Its totient is φ = 4782919680000.

The previous prime is 20012322131951. The next prime is 20012322132059. The reversal of 20012322132000 is 23122321002.

20012322132000 is a `hidden beast` number, since 2 + 0 + 0 + 123 + 221 + 320 + 0 + 0 = 666.

It is a super-2 number, since 2×200123221320002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 927817216 + ... + 927838784.

It is an arithmetic number, because the mean of its divisors is an integer number (70486661700).

Almost surely, 220012322132000 is an apocalyptic number.

20012322132000 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 20012322132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40600317139200).

20012322132000 is an abundant number, since it is smaller than the sum of its proper divisors (61188312146400).

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

20012322132000 is a wasteful number, since it uses less digits than its factorization.

20012322132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21696 (or 21661 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20012322132000 its reverse (23122321002), we get a palindrome (20035444453002).

The spelling of 20012322132000 in words is "twenty trillion, twelve billion, three hundred twenty-two million, one hundred thirty-two thousand".