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20020022022 = 237211133115361
BaseRepresentation
bin10010101001010010…
…010100101100000110
31220200020012111022010
4102221102110230012
5312000111201042
613110322315050
71306054244100
oct225122245406
956606174263
1020020022022
118543864950
123a687b8a86
131b708980a0
14d7cc18570
157c28c359c
hex4a9494b06

20020022022 has 192 divisors, whose sum is σ = 56488900608. Its totient is φ = 4644864000.

The previous prime is 20020021993. The next prime is 20020022051. The reversal of 20020022022 is 22022002002.

It is an interprime number because it is at equal distance from previous prime (20020021993) and next prime (20020022051).

It is a super-2 number, since 2×200200220222 (a number of 21 digits) contains 22 as substring.

20020022022 is a modest number, since divided by 22022 gives 20020 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20020021989 and 20020022007.

It is a congruent number.

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, 1295622 + ... + 1310982.

It is an arithmetic number, because the mean of its divisors is an integer number (294213024).

Almost surely, 220020022022 is an apocalyptic number.

20020022022 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 20020022022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28244450304).

20020022022 is an abundant number, since it is smaller than the sum of its proper divisors (36468878586).

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

20020022022 is a wasteful number, since it uses less digits than its factorization.

20020022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15435 (or 15428 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20020022022 its reverse (22022002002), we get a palindrome (42042024024).

It can be divided in two parts, 200200 and 22022, that added together give a palindrome (222222).

The spelling of 20020022022 in words is "twenty billion, twenty million, twenty-two thousand, twenty-two".