Search a number
-
+
20220112020021 = 397211332884487
BaseRepresentation
bin1001001100011110111001…
…00110000010001000110101
32122121000122101001122222120
410212033130212002020311
510122241242134120041
6111000554034350153
74154566140226524
oct446173446021065
978530571048876
1020220112020021
116496335109591
12232696272b359
13b3899626c474
144dc9314644bb
15250e88d02366
hex1263dc982235

20220112020021 has 16 divisors (see below), whose sum is σ = 27250980591744. Its totient is φ = 13334790610944.

The previous prime is 20220112020019. The next prime is 20220112020041. The reversal of 20220112020021 is 12002021102202.

It is not a de Polignac number, because 20220112020021 - 21 = 20220112020019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220112020041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15827361 + ... + 17057126.

It is an arithmetic number, because the mean of its divisors is an integer number (1703186286984).

Almost surely, 220220112020021 is an apocalyptic number.

It is an amenable number.

20220112020021 is a deficient number, since it is larger than the sum of its proper divisors (7030868571723).

20220112020021 is a wasteful number, since it uses less digits than its factorization.

20220112020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32886700.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20220112020021 its reverse (12002021102202), we get a palindrome (32222133122223).

The spelling of 20220112020021 in words is "twenty trillion, two hundred twenty billion, one hundred twelve million, twenty thousand, twenty-one".

Divisors: 1 3 97 291 2113 6339 204961 614883 32884487 98653461 3189795239 9569385717 69484921031 208454763093 6740037340007 20220112020021