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210011012112020 = 22571500078657943
BaseRepresentation
bin101111110000000011111111…
…110001101001111010010100
31000112120212010112002120012112
4233300003333301221322110
5210011310023100041040
62022353421014210152
762143536441252020
oct5760037761517224
91015525115076175
10210011012112020
1160a091963a8099
121b67965b053958
139024c519c2a02
1439c0831497380
151942d05b65365
hexbf00ffc69e94

210011012112020 has 24 divisors (see below), whose sum is σ = 504026429069184. Its totient is φ = 72003775581216.

The previous prime is 210011012111987. The next prime is 210011012112131. The reversal of 210011012112020 is 20211210110012.

It is a super-2 number, since 2×2100110121120202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 210011012111986 and 210011012112004.

It is a congruent number.

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, 750039328832 + ... + 750039329111.

It is an arithmetic number, because the mean of its divisors is an integer number (21001101211216).

Almost surely, 2210011012112020 is an apocalyptic number.

210011012112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210011012112020 is an abundant number, since it is smaller than the sum of its proper divisors (294015416957164).

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

210011012112020 is a wasteful number, since it uses less digits than its factorization.

210011012112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500078657959 (or 1500078657957 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210011012112020 its reverse (20211210110012), we get a palindrome (230222222222032).

The spelling of 210011012112020 in words is "two hundred ten trillion, eleven billion, twelve million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1500078657943 3000157315886 6000314631772 7500393289715 10500550605601 15000786579430 21001101211202 30001573158860 42002202422404 52502753028005 105005506056010 210011012112020