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2202202400020 = 225799115872873
BaseRepresentation
bin100000000010111101011…
…111011110010100010100
321210112021021100001022121
4200002331133132110110
5242040102303300040
64403402224105324
7315050425355260
oct40027537362424
97715237301277
102202202400020
11779a48930797
122b6975165244
1312c888c4540c
14788312750a0
153c43e994c4a
hex200bd7de514

2202202400020 has 48 divisors (see below), whose sum is σ = 5290619378688. Its totient is φ = 754278877440.

The previous prime is 2202202399973. The next prime is 2202202400053. The reversal of 2202202400020 is 200042022022.

It is a junction number, because it is equal to n+sod(n) for n = 2202202399967 and 2202202400003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7797697 + ... + 8075176.

It is an arithmetic number, because the mean of its divisors is an integer number (110221237056).

Almost surely, 22202202400020 is an apocalyptic number.

2202202400020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202202400020 is an abundant number, since it is smaller than the sum of its proper divisors (3088416978668).

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

2202202400020 is a wasteful number, since it uses less digits than its factorization.

2202202400020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15873880 (or 15873878 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 2202202400020 its reverse (200042022022), we get a palindrome (2402244422042).

The spelling of 2202202400020 in words is "two trillion, two hundred two billion, two hundred two million, four hundred thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 991 1982 3964 4955 6937 9910 13874 19820 27748 34685 69370 138740 15872873 31745746 63491492 79364365 111110111 158728730 222220222 317457460 444440444 555550555 1111101110 2222202220 15730017143 31460034286 62920068572 78650085715 110110120001 157300171430 220220240002 314600342860 440440480004 550550600005 1101101200010 2202202400020