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20312021201334 = 2337271337622107
BaseRepresentation
bin1001001111001010000101…
…10011101111000110110110
32122220210212200101211111220
410213211002303233012312
510130243004411420314
6111111114055211210
74164331551332412
oct447450263570666
978823780354456
1020312021201334
116521309486875
122340732976b06
13b4455278b315
1450316db39d42
15253567aa23a9
hex127942cef1b6

20312021201334 has 32 divisors (see below), whose sum is σ = 41875945299456. Its totient is φ = 6563373740640.

The previous prime is 20312021201321. The next prime is 20312021201357. The reversal of 20312021201334 is 43310212021302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168750892 + ... + 168871215.

It is an arithmetic number, because the mean of its divisors is an integer number (1308623290608).

Almost surely, 220312021201334 is an apocalyptic number.

20312021201334 is an abundant number, since it is smaller than the sum of its proper divisors (21563924098122).

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

20312021201334 is a wasteful number, since it uses less digits than its factorization.

20312021201334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337622420.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20312021201334 its reverse (43310212021302), we get a palindrome (63622233222636).

The spelling of 20312021201334 in words is "twenty trillion, three hundred twelve billion, twenty-one million, two hundred one thousand, three hundred thirty-four".

Divisors: 1 2 3 6 37 74 111 222 271 542 813 1626 10027 20054 30081 60162 337622107 675244214 1012866321 2025732642 12492017959 24984035918 37476053877 74952107754 91495590997 182991181994 274486772991 548973545982 3385336866889 6770673733778 10156010600667 20312021201334