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20110022222202 = 2321136731739521
BaseRepresentation
bin1001001001010001110101…
…01110110010000101111010
32122012111111000200111011100
410210220322232302011322
510113440311142102302
6110434230000112230
74143621045335043
oct444507256620572
978174430614140
1020110022222202
116453681306000
122309559905676
13b2b4a0291673
144d748a3878ca
1524d193dbcd1c
hex124a3abb217a

20110022222202 has 192 divisors, whose sum is σ = 48795596373888. Its totient is φ = 5983903411200.

The previous prime is 20110022222177. The next prime is 20110022222293. The reversal of 20110022222202 is 20222222001102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 508824202 + ... + 508863722.

It is an arithmetic number, because the mean of its divisors is an integer number (254143731114).

Almost surely, 220110022222202 is an apocalyptic number.

20110022222202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110022222202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24397798186944).

20110022222202 is an abundant number, since it is smaller than the sum of its proper divisors (28685574151686).

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

20110022222202 is a wasteful number, since it uses less digits than its factorization.

20110022222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39946 (or 39921 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20110022222202 its reverse (20222222001102), we get a palindrome (40332244223304).

The spelling of 20110022222202 in words is "twenty trillion, one hundred ten billion, twenty-two million, two hundred twenty-two thousand, two hundred two".