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2220013004040 = 23325133531343801
BaseRepresentation
bin100000010011100011000…
…101100010010100001000
321212020020112010110220100
4200103203011202110020
5242333041312112130
64415505423125400
7316250664116436
oct40234305422410
97766215113810
102220013004040
11786558513147
122ba305a43860
13131466b62170
147964087dd56
153cb333dac60
hex204e3162508

2220013004040 has 192 divisors, whose sum is σ = 7792062773040. Its totient is φ = 544916275200.

The previous prime is 2220013004023. The next prime is 2220013004047. The reversal of 2220013004040 is 404003100222.

It can be written as a sum of positive squares in 8 ways, for example, as 715705848036 + 1504307156004 = 845994^2 + 1226502^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2220013004047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 980140 + ... + 2323940.

Almost surely, 22220013004040 is an apocalyptic number.

2220013004040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220013004040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3896031386520).

2220013004040 is an abundant number, since it is smaller than the sum of its proper divisors (5572049769000).

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

2220013004040 is a wasteful number, since it uses less digits than its factorization.

2220013004040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344184 (or 1344177 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 2220013004040 its reverse (404003100222), we get a palindrome (2624016104262).

The spelling of 2220013004040 in words is "two trillion, two hundred twenty billion, thirteen million, four thousand, forty".