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2202220020020 = 225293796931069
BaseRepresentation
bin100000000010111110100…
…010101100000100110100
321210112022111111020102012
4200002332202230010310
5242040121311120040
64403404053503352
7315051031212446
oct40027642540464
97715274436365
102202220020020
11779a57875979
122b697b041b58
1312c88c7a4457
1478833740496
153c4412c5865
hex200be8ac134

2202220020020 has 24 divisors (see below), whose sum is σ = 4784133148200. Its totient is φ = 850512559232.

The previous prime is 2202220019999. The next prime is 2202220020079. The reversal of 2202220020020 is 200200222022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 476690823184 + 1725529196836 = 690428^2 + 1313594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2202220019977 and 2202220020004.

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, 1898464955 + ... + 1898466114.

It is an arithmetic number, because the mean of its divisors is an integer number (199338881175).

Almost surely, 22202220020020 is an apocalyptic number.

2202220020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202220020020 is an abundant number, since it is smaller than the sum of its proper divisors (2581913128180).

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

2202220020020 is a wasteful number, since it uses less digits than its factorization.

2202220020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796931107 (or 3796931105 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 2202220020020 its reverse (200200222022), we get a palindrome (2402420242042).

The spelling of 2202220020020 in words is "two trillion, two hundred two billion, two hundred twenty million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 3796931069 7593862138 15187724276 18984655345 37969310690 75938621380 110111001001 220222002002 440444004004 550555005005 1101110010010 2202220020020