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20120210010222 = 2371762432718137
BaseRepresentation
bin1001001001100100110011…
…11110000111000001101110
32122020110210000210202000120
410210302121332013001232
510114122142230311342
6110443032531505410
74144431363162660
oct444623176070156
978213700722016
1020120210010222
116457a2a021a23
12230b521758266
13b2c434b4b7ba
144d7b75430530
1524d58d4c1aec
hex124c99f8706e

20120210010222 has 32 divisors (see below), whose sum is σ = 45989329312512. Its totient is φ = 5748596698944.

The previous prime is 20120210010169. The next prime is 20120210010223. The reversal of 20120210010222 is 22201001202102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120210010223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6043138 + ... + 8761274.

It is an arithmetic number, because the mean of its divisors is an integer number (1437166541016).

Almost surely, 220120210010222 is an apocalyptic number.

20120210010222 is an abundant number, since it is smaller than the sum of its proper divisors (25869119302290).

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

20120210010222 is a wasteful number, since it uses less digits than its factorization.

20120210010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894392.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20120210010222 its reverse (22201001202102), we get a palindrome (42321211212324).

The spelling of 20120210010222 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, ten thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 176243 352486 528729 1057458 1233701 2467402 2718137 3701103 5436274 7402206 8154411 16308822 19026959 38053918 57080877 114161754 479052619291 958105238582 1437157857873 2874315715746 3353368335037 6706736670074 10060105005111 20120210010222