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20120220011110 = 2537255372129419
BaseRepresentation
bin1001001001100100110101…
…00100010000101001100110
32122020110210201121211122211
410210302122210100221212
510114122202310323420
6110443033530114034
74144431544165042
oct444623244205146
978213721554584
1020120220011110
116457a3473281a
12230b524b7b91a
13b2c436c4089b
144d7b768b5022
1524d58e2e9e5a
hex124c9a910a66

20120220011110 has 32 divisors (see below), whose sum is σ = 37196691524640. Its totient is φ = 7830261798912.

The previous prime is 20120220011077. The next prime is 20120220011141. The reversal of 20120220011110 is 1111002202102.

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, 8383981 + ... + 10513399.

It is an arithmetic number, because the mean of its divisors is an integer number (1162396610145).

Almost surely, 220120220011110 is an apocalyptic number.

20120220011110 is a deficient number, since it is larger than the sum of its proper divisors (17076471513530).

20120220011110 is a wasteful number, since it uses less digits than its factorization.

20120220011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155000.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20120220011110 its reverse (1111002202102), we get a palindrome (21231222213212).

The spelling of 20120220011110 in words is "twenty trillion, one hundred twenty billion, two hundred twenty million, eleven thousand, one hundred ten".

Divisors: 1 2 5 10 37 74 185 370 25537 51074 127685 255370 944869 1889738 2129419 4258838 4724345 9448690 10647095 21294190 78788503 157577006 393942515 787885030 54378973003 108757946006 271894865015 543789730030 2012022001111 4024044002222 10060110005555 20120220011110