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202022200221012 = 22325611727783917
BaseRepresentation
bin101101111011110011110101…
…011110110001110101010100
3222111022010121111002222121100
4231323303311132301311110
5202434412431224033022
61553355414554150100
760360423310506153
oct5573636536616524
9874263544088540
10202022200221012
1159409152353826
121a7a930a122330
1388957c4ca8cb2
1437c5cd8a9359a
1518550db04a1ac
hexb7bcf57b1d54

202022200221012 has 18 divisors (see below), whose sum is σ = 510667228336538. Its totient is φ = 67340733406992.

The previous prime is 202022200221001. The next prime is 202022200221041. The reversal of 202022200221012 is 210122002220202.

202022200221012 is a `hidden beast` number, since 20 + 202 + 220 + 0 + 2 + 210 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 192315710426436 + 9706489794576 = 13867794^2 + 3115524^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2805863891923 + ... + 2805863891994.

Almost surely, 2202022200221012 is an apocalyptic number.

It is an amenable number.

202022200221012 is an abundant number, since it is smaller than the sum of its proper divisors (308645028115526).

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

202022200221012 is a wasteful number, since it uses less digits than its factorization.

202022200221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611727783927 (or 5611727783922 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202022200221012 its reverse (210122002220202), we get a palindrome (412144202441214).

The spelling of 202022200221012 in words is "two hundred two trillion, twenty-two billion, two hundred million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 5611727783917 11223455567834 16835183351751 22446911135668 33670366703502 50505550055253 67340733407004 101011100110506 202022200221012