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23411020220020 = 2251170551011001
BaseRepresentation
bin1010101001010110011011…
…00010110100011001110100
310001220001221020210022222201
411110223031202310121310
511032031232134020040
6121442512455234244
74634250622346236
oct524531542643164
9101801836708881
1023411020220020
117506615654564
122761267378984
13100a85a608c04
145ad156b6c256
152a8e93708a9a
hex154acd8b4674

23411020220020 has 12 divisors (see below), whose sum is σ = 49163142462084. Its totient is φ = 9364408088000.

The previous prime is 23411020220017. The next prime is 23411020220039. The reversal of 23411020220020 is 2002202011432.

It can be written as a sum of positive squares in 2 ways, for example, as 9072589781476 + 14338430438544 = 3012074^2 + 3786612^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23411020220020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585275505481 + ... + 585275505520.

It is an arithmetic number, because the mean of its divisors is an integer number (4096928538507).

Almost surely, 223411020220020 is an apocalyptic number.

23411020220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23411020220020 is an abundant number, since it is smaller than the sum of its proper divisors (25752122242064).

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

23411020220020 is a wasteful number, since it uses less digits than its factorization.

23411020220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170551011010 (or 1170551011008 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23411020220020 its reverse (2002202011432), we get a palindrome (25413222231452).

The spelling of 23411020220020 in words is "twenty-three trillion, four hundred eleven billion, twenty million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 1170551011001 2341102022002 4682204044004 5852755055005 11705510110010 23411020220020