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20200210002100 = 22521579127930399
BaseRepresentation
bin1001001011111001110100…
…10101110111000010110100
32122112010021100220101212201
410211330322111313002310
510121430012230031400
6110543503125154244
74153263014661622
oct445747225670264
978463240811781
1020200210002100
116488951a22997
122322b2955b984
13b36b43c7c9bb
144db9a41a6512
152506c198d06a
hex125f3a5770b4

20200210002100 has 36 divisors (see below), whose sum is σ = 43862216944000. Its totient is φ = 8074966721760.

The previous prime is 20200210002073. The next prime is 20200210002121. The reversal of 20200210002100 is 120001200202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63807300 + ... + 64123099.

Almost surely, 220200210002100 is an apocalyptic number.

20200210002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200210002100 is an abundant number, since it is smaller than the sum of its proper divisors (23662006941900).

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

20200210002100 is a wasteful number, since it uses less digits than its factorization.

20200210002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127931992 (or 127931985 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20200210002100 its reverse (120001200202), we get a palindrome (20320211202302).

The spelling of 20200210002100 in words is "twenty trillion, two hundred billion, two hundred ten million, two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1579 3158 6316 7895 15790 31580 39475 78950 157900 127930399 255860798 511721596 639651995 1279303990 2558607980 3198259975 6396519950 12793039900 202002100021 404004200042 808008400084 1010010500105 2020021000210 4040042000420 5050052500525 10100105001050 20200210002100