Search a number
-
+
20012300232210 = 2325112131961121967
BaseRepresentation
bin1001000110011011110100…
…00010111110011000010010
32121212011020121112001011200
410203031322002332120102
510110340142324412320
6110321305050452030
74133561312203116
oct443157202763022
977764217461150
1020012300232210
116416194841600
1222b2626a34016
13b221c86c7c50
144d2859aad746
1524a874b5e290
hex12337a0be612

20012300232210 has 576 divisors, whose sum is σ = 65896617346560. Its totient is φ = 4172993510400.

The previous prime is 20012300232187. The next prime is 20012300232247. The reversal of 20012300232210 is 1223200321002.

20012300232210 is a `hidden beast` number, since 20 + 0 + 12 + 300 + 2 + 322 + 10 = 666.

It is a super-2 number, since 2×200123002322102 (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 287 ways as a sum of consecutive naturals, for example, 164018647 + ... + 164140613.

It is an arithmetic number, because the mean of its divisors is an integer number (114403849560).

Almost surely, 220012300232210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20012300232210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32948308673280).

20012300232210 is an abundant number, since it is smaller than the sum of its proper divisors (45884317114350).

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

20012300232210 is a wasteful number, since it uses less digits than its factorization.

20012300232210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122095 (or 122081 counting only the distinct ones).

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

Adding to 20012300232210 its reverse (1223200321002), we get a palindrome (21235500553212).

The spelling of 20012300232210 in words is "twenty trillion, twelve billion, three hundred million, two hundred thirty-two thousand, two hundred ten".