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20012210212110 = 2351935109140723
BaseRepresentation
bin1001000110011011101001…
…01011100100110100001110
32121212011000100010112210220
410203031310223210310032
510110340001303241420
6110321252113212210
74133556140064624
oct443156453446416
977764010115726
1020012210212110
116416148a47126
1222b2600861066
13b221b2b69b0c
144d284bb59514
1524a86bccb840
hex123374ae4d0e

20012210212110 has 32 divisors (see below), whose sum is σ = 50557162642560. Its totient is φ = 5055716263968.

The previous prime is 20012210212067. The next prime is 20012210212139. The reversal of 20012210212110 is 1121201221002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20012210212110.

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, 17554569792 + ... + 17554570931.

It is an arithmetic number, because the mean of its divisors is an integer number (1579911332580).

Almost surely, 220012210212110 is an apocalyptic number.

20012210212110 is an abundant number, since it is smaller than the sum of its proper divisors (30544952430450).

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

20012210212110 is a wasteful number, since it uses less digits than its factorization.

20012210212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35109140752.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20012210212110 its reverse (1121201221002), we get a palindrome (21133411433112).

The spelling of 20012210212110 in words is "twenty trillion, twelve billion, two hundred ten million, two hundred twelve thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 35109140723 70218281446 105327422169 175545703615 210654844338 351091407230 526637110845 667073673737 1053274221690 1334147347474 2001221021211 3335368368685 4002442042422 6670736737370 10006105106055 20012210212110