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2120220030 = 23573968137
BaseRepresentation
bin111111001011111…
…1111110101111110
312110202120100002210
41332113333311332
513320234020110
6550215401250
7103353400335
oct17627776576
95422510083
102120220030
11998899765
124b2083226
1327a34a486
14161830d1c
15c620d520
hex7e5ffd7e

2120220030 has 32 divisors (see below), whose sum is σ = 5158239264. Its totient is φ = 557646336.

The previous prime is 2120220023. The next prime is 2120220041. The reversal of 2120220030 is 300220212.

It is a super-2 number, since 2×21202200302 = 8990665951226401800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2120219988 and 2120220015.

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, 481879 + ... + 486258.

It is an arithmetic number, because the mean of its divisors is an integer number (161194977).

Almost surely, 22120220030 is an apocalyptic number.

2120220030 is an abundant number, since it is smaller than the sum of its proper divisors (3038019234).

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

2120220030 is a wasteful number, since it uses less digits than its factorization.

2120220030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968220.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2120220030 is about 46045.8470440060. The cubic root of 2120220030 is about 1284.6760991787.

Adding to 2120220030 its reverse (300220212), we get a palindrome (2420440242).

The spelling of 2120220030 in words is "two billion, one hundred twenty million, two hundred twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 968137 1936274 2904411 4840685 5808822 9681370 14522055 29044110 70674001 141348002 212022003 353370005 424044006 706740010 1060110015 2120220030