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10020212010020 = 2252371306803797
BaseRepresentation
bin1001000111010000001100…
…1011010110110000100100
31022110220220210200202011002
42101310003023112300210
52303132343233310040
633151115530332432
72052636123526232
oct221640313266044
938426823622132
1010020212010020
1132136034a9333
121159b9888a118
13578b95733b74
14268da3641952
151259ae5dba15
hex91d032d6c24

10020212010020 has 48 divisors (see below), whose sum is σ = 22266592443648. Its totient is φ = 3779822766720.

The previous prime is 10020212009989. The next prime is 10020212010041. The reversal of 10020212010020 is 2001021202001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10020212009983 and 10020212010010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153369239 + ... + 153434558.

It is an arithmetic number, because the mean of its divisors is an integer number (463887342576).

Almost surely, 210020212010020 is an apocalyptic number.

10020212010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020212010020 is an abundant number, since it is smaller than the sum of its proper divisors (12246380433628).

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

10020212010020 is a wasteful number, since it uses less digits than its factorization.

10020212010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306803900 (or 306803898 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10020212010020 its reverse (2001021202001), we get a palindrome (12021233212021).

The spelling of 10020212010020 in words is "ten trillion, twenty billion, two hundred twelve million, ten thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 71 92 115 142 230 284 355 460 710 1420 1633 3266 6532 8165 16330 32660 306803797 613607594 1227215188 1534018985 3068037970 6136075940 7056487331 14112974662 21783069587 28225949324 35282436655 43566139174 70564873310 87132278348 108915347935 141129746620 217830695870 435661391740 501010600501 1002021201002 2004042402004 2505053002505 5010106005010 10020212010020