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20120120212202 = 2418310391931231
BaseRepresentation
bin1001001001100100101001…
…00111100011101011101010
32122020110112202211112021222
410210302110213203223222
510114122001233242302
6110443020003102042
74144426223001113
oct444622447435352
978213482745258
1020120120212202
11645799336938a
12230b4b7671922
13b2c41c36a78a
144d7b6753720a
1524d585684da2
hex124c949e3aea

20120120212202 has 64 divisors (see below), whose sum is σ = 31627931811840. Its totient is φ = 9591547478400.

The previous prime is 20120120212189. The next prime is 20120120212223. The reversal of 20120120212202 is 20221202102102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644219927 + ... + 644251157.

It is an arithmetic number, because the mean of its divisors is an integer number (494186434560).

Almost surely, 220120120212202 is an apocalyptic number.

20120120212202 is a deficient number, since it is larger than the sum of its proper divisors (11507811599638).

20120120212202 is a wasteful number, since it uses less digits than its factorization.

20120120212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32379.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20120120212202 its reverse (20221202102102), we get a palindrome (40341322314304).

The spelling of 20120120212202 in words is "twenty trillion, one hundred twenty billion, one hundred twenty million, two hundred twelve thousand, two hundred two".

Divisors: 1 2 41 82 83 103 166 206 919 1838 3403 4223 6806 8446 8549 17098 31231 37679 62462 75358 76277 94657 152554 189314 350509 701018 1280471 2560942 2592173 3127357 3216793 3880937 5184346 6254714 6433586 7761874 7856531 15713062 28701289 57402578 106279093 131888513 212558186 263777026 266993819 322117771 533987638 644235542 1176752849 2353505698 2382206987 2956232767 4764413974 5912465534 10946746579 21893493158 97670486467 121205543447 195340972934 242411086894 245367319661 490734639322 10060060106101 20120120212202