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21020220000096 = 253218960625001
BaseRepresentation
bin1001100011110001001101…
…01111110000011101100000
32202102111212021101100210020
410301320212233300131200
510223343402310000341
6112412320013233440
74266442434651342
oct461704657603540
982374767340706
1021020220000096
116774697215309
122435a39192880
13b962766c4975
14529553c97292
15266bb6823566
hex131e26bf0760

21020220000096 has 24 divisors (see below), whose sum is σ = 55178077500504. Its totient is φ = 7006740000000.

The previous prime is 21020220000083. The next prime is 21020220000097. The reversal of 21020220000096 is 69000002202012.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×210202200000963 (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21020220000097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109480312405 + ... + 109480312596.

It is an arithmetic number, because the mean of its divisors is an integer number (2299086562521).

Almost surely, 221020220000096 is an apocalyptic number.

It is an amenable number.

21020220000096 is an abundant number, since it is smaller than the sum of its proper divisors (34157857500408).

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

21020220000096 is a wasteful number, since it uses less digits than its factorization.

21020220000096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218960625014 (or 218960625006 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 21020220000096 in words is "twenty-one trillion, twenty billion, two hundred twenty million, ninety-six", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 218960625001 437921250002 656881875003 875842500004 1313763750006 1751685000008 2627527500012 3503370000016 5255055000024 7006740000032 10510110000048 21020220000096