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12020220010 = 251202022001
BaseRepresentation
bin10110011000111011…
…00000000001101010
31011000201011102222201
423030131200001222
5144104134020020
65304431010414
7603605120131
oct131435400152
934021142881
1012020220010
115109112227
1223b5669a0a
1311973c4126
148205a2918
154a5416a0a
hex2cc76006a

12020220010 has 8 divisors (see below), whose sum is σ = 21636396036. Its totient is φ = 4808088000.

The previous prime is 12020220001. The next prime is 12020220029. The reversal of 12020220010 is 1002202021.

It can be written as a sum of positive squares in 2 ways, for example, as 9630085689 + 2390134321 = 98133^2 + 48889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 1202022001 = 12020220010 / (1 + 2 + 0 + 2 + 0 + 2 + 2 + 0 + 0 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601010991 + ... + 601011010.

Almost surely, 212020220010 is an apocalyptic number.

12020220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020220010 is a deficient number, since it is larger than the sum of its proper divisors (9616176026).

12020220010 is a wasteful number, since it uses less digits than its factorization.

12020220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202022008.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12020220010 its reverse (1002202021), we get a palindrome (13022422031).

The spelling of 12020220010 in words is "twelve billion, twenty million, two hundred twenty thousand, ten".

Divisors: 1 2 5 10 1202022001 2404044002 6010110005 12020220010