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20022111112010 = 257295087429727
BaseRepresentation
bin1001000110101110000101…
…10100100000101101001010
32121220002120100102101011012
410203113002310200231022
510111020240421041020
6110330010400003522
74134356402253200
oct443270264405512
977802510371135
1020022111112010
11641a369824827
1222b45046005a2
13b2310016a277
144d310aa83070
1524ac4b1117c5
hex1235c2d20b4a

20022111112010 has 48 divisors (see below), whose sum is σ = 41924387441664. Its totient is φ = 6864635641248.

The previous prime is 20022111112009. The next prime is 20022111112013. The reversal of 20022111112010 is 1021111122002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20022111112013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46377767 + ... + 46807493.

It is an arithmetic number, because the mean of its divisors is an integer number (873424738368).

Almost surely, 220022111112010 is an apocalyptic number.

20022111112010 is an abundant number, since it is smaller than the sum of its proper divisors (21902276329654).

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

20022111112010 is a wasteful number, since it uses less digits than its factorization.

20022111112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524835 (or 524828 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20022111112010 its reverse (1021111122002), we get a palindrome (21043222234012).

The spelling of 20022111112010 in words is "twenty trillion, twenty-two billion, one hundred eleven million, one hundred twelve thousand, ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 95087 190174 429727 475435 665609 859454 950870 1331218 2148635 3008089 3328045 4297270 4659263 6016178 6656090 9318526 15040445 21056623 23296315 30080890 42113246 46592630 105283115 210566230 40861451249 81722902498 204307256245 286030158743 408614512490 572060317486 1430150793715 2002211111201 2860301587430 4004422222402 10011055556005 20022111112010