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1020022205 = 5266376607
BaseRepresentation
bin111100110011000…
…100110110111101
32122002100111102012
4330303010312331
54042111202310
6245114341005
734164021446
oct7463046675
92562314365
101020022205
11483859864
1224572a765
1313342a747
14996802cd
155e838c05
hex3ccc4dbd

1020022205 has 8 divisors (see below), whose sum is σ = 1224502272. Its totient is φ = 815700688.

The previous prime is 1020022189. The next prime is 1020022261. The reversal of 1020022205 is 5022200201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020022205 - 24 = 1020022189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020022205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24989 + ... + 51618.

It is an arithmetic number, because the mean of its divisors is an integer number (153062784).

Almost surely, 21020022205 is an apocalyptic number.

It is an amenable number.

1020022205 is a deficient number, since it is larger than the sum of its proper divisors (204480067).

1020022205 is an equidigital number, since it uses as much as digits as its factorization.

1020022205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79275.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1020022205 is about 31937.7864762103. The cubic root of 1020022205 is about 1006.6300141010.

Adding to 1020022205 its reverse (5022200201), we get a palindrome (6042222406).

The spelling of 1020022205 in words is "one billion, twenty million, twenty-two thousand, two hundred five".

Divisors: 1 5 2663 13315 76607 383035 204004441 1020022205