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20122020110202 = 23231575813159769
BaseRepresentation
bin1001001001101000001011…
…10111000101111101111010
32122020122110011211100101120
410210310011313011331322
510114134344122011302
6110443532312330110
74144524262604253
oct444640567057572
978218404740346
1020122020110202
11645877885491a
12230b9479a3936
13b2c662b66a8a
144d7ca79b5b2a
1524d6473729bc
hex124d05dc5f7a

20122020110202 has 64 divisors (see below), whose sum is σ = 42268792101120. Its totient is φ = 6373715572224.

The previous prime is 20122020110189. The next prime is 20122020110233. The reversal of 20122020110202 is 20201102022102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125864574 + ... + 126024342.

It is an arithmetic number, because the mean of its divisors is an integer number (660449876580).

Almost surely, 220122020110202 is an apocalyptic number.

20122020110202 is an abundant number, since it is smaller than the sum of its proper divisors (22146771990918).

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

20122020110202 is a wasteful number, since it uses less digits than its factorization.

20122020110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165767.

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

Adding to 20122020110202 its reverse (20201102022102), we get a palindrome (40323122132304).

The spelling of 20122020110202 in words is "twenty trillion, one hundred twenty-two billion, twenty million, one hundred ten thousand, two hundred two".

Divisors: 1 2 3 6 23 46 69 138 157 314 471 942 3611 5813 7222 10833 11626 17439 21666 34878 133699 159769 267398 319538 401097 479307 802194 912641 958614 1825282 2737923 3674687 5475846 7349374 11024061 20990743 22048122 25083733 41981486 50167466 62972229 75251199 125944458 150502398 576925859 928737197 1153851718 1730777577 1857474394 2786211591 3461555154 5572423182 21360955531 42721911062 64082866593 128165733186 145811739929 291623479858 437435219787 874870439574 3353670018367 6707340036734 10061010055101 20122020110202