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20212211201 = 713412711861
BaseRepresentation
bin10010110100101111…
…011101111000000001
31221011121211201021212
4102310233131320001
5312343311224301
613141345455505
71313606650310
oct226457357001
957147751255
1020212211201
1186322a2486
123b01041595
131ba16490b0
14d9a566277
157d46d84bb
hex4b4bdde01

20212211201 has 48 divisors (see below), whose sum is σ = 25871134464. Its totient is φ = 15374016000.

The previous prime is 20212211177. The next prime is 20212211207. The reversal of 20212211201 is 10211221202.

It is not a de Polignac number, because 20212211201 - 210 = 20212210177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20212211207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10860011 + ... + 10861871.

It is an arithmetic number, because the mean of its divisors is an integer number (538981968).

Almost surely, 220212211201 is an apocalyptic number.

It is an amenable number.

20212211201 is a deficient number, since it is larger than the sum of its proper divisors (5658923263).

20212211201 is a wasteful number, since it uses less digits than its factorization.

20212211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20212211201 its reverse (10211221202), we get a palindrome (30423432403).

The spelling of 20212211201 in words is "twenty billion, two hundred twelve million, two hundred eleven thousand, two hundred one".

Divisors: 1 7 13 41 71 91 287 497 533 923 1681 1861 2911 3731 6461 11767 13027 20377 21853 24193 37843 76301 119351 132131 152971 169351 264901 534107 835457 924917 991913 1551563 1717703 3128341 5417371 6943391 10860941 12023921 21898387 37921597 40668433 70425823 222112211 284679031 492980761 1554785477 2887458743 20212211201