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2122020210020 = 225211502848391
BaseRepresentation
bin11110111000010010010…
…000101100010101100100
321111212022020101202121212
4132320102100230111210
5234231344133210040
64302502001330552
7306211432114424
oct36702220542544
97455266352555
102122020210020
11748a420a6667
122a3318336a58
1312514b150989
14749c6232484
153a2ea4d8d65
hex1ee1242c564

2122020210020 has 24 divisors (see below), whose sum is σ = 4477362082368. Its totient is φ = 844785295200.

The previous prime is 2122020209951. The next prime is 2122020210031. The reversal of 2122020210020 is 200120202212.

It is a junction number, because it is equal to n+sod(n) for n = 2122020209977 and 2122020210004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251419976 + ... + 251428415.

It is an arithmetic number, because the mean of its divisors is an integer number (186556753432).

Almost surely, 22122020210020 is an apocalyptic number.

2122020210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122020210020 is an abundant number, since it is smaller than the sum of its proper divisors (2355341872348).

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

2122020210020 is a wasteful number, since it uses less digits than its factorization.

2122020210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502848611 (or 502848609 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2122020210020 its reverse (200120202212), we get a palindrome (2322140412232).

The spelling of 2122020210020 in words is "two trillion, one hundred twenty-two billion, twenty million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 211 422 844 1055 2110 4220 502848391 1005696782 2011393564 2514241955 5028483910 10056967820 106101010501 212202021002 424404042004 530505052505 1061010105010 2122020210020