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20022230111020 = 2251001111505551
BaseRepresentation
bin1001000110101110010011…
…11010011101001100101100
32121220002212122100011002221
410203113021322131030230
510111021011402023040
6110330030250325124
74134362345605114
oct443271172351454
977802778304087
1020022230111020
11641a41aa12515
1222b45384297a4
13b2311ba03697
144d311c7bc044
1524ac567ba74a
hex1235c9e9d32c

20022230111020 has 12 divisors (see below), whose sum is σ = 42046683233184. Its totient is φ = 8008892044400.

The previous prime is 20022230110931. The next prime is 20022230111021. The reversal of 20022230111020 is 2011103222002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20022230110985 and 20022230111003.

It is not an unprimeable number, because it can be changed into a prime (20022230111021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500555752756 + ... + 500555752795.

It is an arithmetic number, because the mean of its divisors is an integer number (3503890269432).

Almost surely, 220022230111020 is an apocalyptic number.

20022230111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022230111020 is an abundant number, since it is smaller than the sum of its proper divisors (22024453122164).

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

20022230111020 is a wasteful number, since it uses less digits than its factorization.

20022230111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001111505560 (or 1001111505558 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20022230111020 its reverse (2011103222002), we get a palindrome (22033333333022).

The spelling of 20022230111020 in words is "twenty trillion, twenty-two billion, two hundred thirty million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 1001111505551 2002223011102 4004446022204 5005557527755 10011115055510 20022230111020