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20022000102220 = 2254253235386787
BaseRepresentation
bin1001000110101101111000…
…01101000010101101001100
32121220002021121112111100111
410203112330031002231030
510111020024011232340
6110325551352405404
74134353553554404
oct443267415025514
977802247474314
1020022000102220
11641a3120a34a6
1222b44933a6864
13b230b31703bc
144d30da027804
1524ac414d4aea
hex1235bc342b4c

20022000102220 has 24 divisors (see below), whose sum is σ = 42056086638384. Its totient is φ = 8006916912576.

The previous prime is 20022000102161. The next prime is 20022000102229. The reversal of 20022000102220 is 2220100022002.

It is a self number, because there is not a number n which added to its sum of digits gives 20022000102220.

It is not an unprimeable number, because it can be changed into a prime (20022000102229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117608334 + ... + 117778453.

It is an arithmetic number, because the mean of its divisors is an integer number (1752336943266).

Almost surely, 220022000102220 is an apocalyptic number.

20022000102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022000102220 is an abundant number, since it is smaller than the sum of its proper divisors (22034086536164).

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

20022000102220 is a wasteful number, since it uses less digits than its factorization.

20022000102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235391049 (or 235391047 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20022000102220 its reverse (2220100022002), we get a palindrome (22242100124222).

The spelling of 20022000102220 in words is "twenty trillion, twenty-two billion, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 4253 8506 17012 21265 42530 85060 235386787 470773574 941547148 1176933935 2353867870 4707735740 1001100005111 2002200010222 4004400020444 5005500025555 10011000051110 20022000102220