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20354776220252 = 2213813684789323
BaseRepresentation
bin1001010000011001101110…
…01101001100001001011100
32200001220020100111211111002
410220030313031030021130
510131443040203022002
6111142504411445432
74200404221106345
oct450146715141134
980056210454432
1020354776220252
11653845958a351
122348a85456878
13b485a754bc96
1450526817d0cc
1525471b38b002
hex12833734c25c

20354776220252 has 12 divisors (see below), whose sum is σ = 35646651920376. Its totient is φ = 10170018528720.

The previous prime is 20354776220201. The next prime is 20354776220293. The reversal of 20354776220252 is 25202267745302.

It is a super-2 number, since 2×203547762202522 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20354776220197 and 20354776220206.

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, 1842389138 + ... + 1842400185.

It is an arithmetic number, because the mean of its divisors is an integer number (2970554326698).

Almost surely, 220354776220252 is an apocalyptic number.

It is an amenable number.

20354776220252 is a deficient number, since it is larger than the sum of its proper divisors (15291875700124).

20354776220252 is a wasteful number, since it uses less digits than its factorization.

20354776220252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684790708 (or 3684790706 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 47.

The spelling of 20354776220252 in words is "twenty trillion, three hundred fifty-four billion, seven hundred seventy-six million, two hundred twenty thousand, two hundred fifty-two".

Divisors: 1 2 4 1381 2762 5524 3684789323 7369578646 14739157292 5088694055063 10177388110126 20354776220252