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20223012210 = 2352423278209
BaseRepresentation
bin10010110101011000…
…101010110101110010
31221012101011110111020
4102311120222311302
5312404042342320
613142413200310
71314100524162
oct226530526562
957171143436
1020223012210
1186383aa435
123b04790096
131ba395b41b
14d9bb785a2
157d561d940
hex4b562ad72

20223012210 has 32 divisors (see below), whose sum is σ = 48555434880. Its totient is φ = 5390558208.

The previous prime is 20223012203. The next prime is 20223012301. The reversal of 20223012210 is 1221032202.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20223012210.

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, 66415 + ... + 211794.

It is an arithmetic number, because the mean of its divisors is an integer number (1517357340).

Almost surely, 220223012210 is an apocalyptic number.

20223012210 is an abundant number, since it is smaller than the sum of its proper divisors (28332422670).

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

20223012210 is a wasteful number, since it uses less digits than its factorization.

20223012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280642.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20223012210 its reverse (1221032202), we get a palindrome (21444044412).

The spelling of 20223012210 in words is "twenty billion, two hundred twenty-three million, twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 2423 4846 7269 12115 14538 24230 36345 72690 278209 556418 834627 1391045 1669254 2782090 4173135 8346270 674100407 1348200814 2022301221 3370502035 4044602442 6741004070 10111506105 20223012210