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22020312030 = 2357310054937
BaseRepresentation
bin10100100000100000…
…110100101111011110
32002211122002202100020
4110200200310233132
5330044144441110
614041015413010
71406453364303
oct244040645736
962748082306
1022020312030
11937a98a392
124326684166
1320cc114442
1410cc74b0aa
1588d2e1d70
hex520834bde

22020312030 has 32 divisors (see below), whose sum is σ = 53572709664. Its totient is φ = 5791643136.

The previous prime is 22020311909. The next prime is 22020312047. The reversal of 22020312030 is 3021302022.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 5025279 + ... + 5029658.

It is an arithmetic number, because the mean of its divisors is an integer number (1674147177).

Almost surely, 222020312030 is an apocalyptic number.

22020312030 is an abundant number, since it is smaller than the sum of its proper divisors (31552397634).

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

22020312030 is a wasteful number, since it uses less digits than its factorization.

22020312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055020.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22020312030 its reverse (3021302022), we get a palindrome (25041614052).

The spelling of 22020312030 in words is "twenty-two billion, twenty million, three hundred twelve thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 10054937 20109874 30164811 50274685 60329622 100549370 150824055 301648110 734010401 1468020802 2202031203 3670052005 4404062406 7340104010 11010156015 22020312030