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222002202221020 = 225132407135472337
BaseRepresentation
bin110010011110100011101010…
…011001110001100111011100
31002010001012111011210211111201
4302132203222121301213130
5213044241002232033040
62104054223113525244
764522062345404104
oct6236435231614734
91063035434724451
10222002202221020
1164811672628441
1220a95620413824
1396b4944135530
143cb6d6cdca204
151a9ebc040ca9a
hexc9e8ea6719dc

222002202221020 has 48 divisors (see below), whose sum is σ = 502087390757568. Its totient is φ = 81966636241920.

The previous prime is 222002202220987. The next prime is 222002202221029. The reversal of 222002202221020 is 20122202200222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222002202221029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11477709 + ... + 23994628.

It is an arithmetic number, because the mean of its divisors is an integer number (10460153974116).

Almost surely, 2222002202221020 is an apocalyptic number.

222002202221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222002202221020 is an abundant number, since it is smaller than the sum of its proper divisors (280085188536548).

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

222002202221020 is a wasteful number, since it uses less digits than its factorization.

222002202221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35496430 (or 35496428 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 222002202221020 its reverse (20122202200222), we get a palindrome (242124404421242).

The spelling of 222002202221020 in words is "two hundred twenty-two trillion, two billion, two hundred two million, two hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 24071 48142 96284 120355 240710 312923 481420 625846 1251692 1564615 3129230 6258460 35472337 70944674 141889348 177361685 354723370 461140381 709446740 922280762 1844561524 2305701905 4611403810 9222807620 853854623927 1707709247854 3415418495708 4269273119635 8538546239270 11100110111051 17077092478540 22200220222102 44400440444204 55500550555255 111001101110510 222002202221020