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1000210112020 = 22577144357943
BaseRepresentation
bin11101000111000010010…
…10110001111000010100
310112121201100210012222201
432203201022301320110
5112341412242041040
62043253513534244
7132156065450350
oct16434112617024
93477640705881
101000210112020
11356206595199
12141a20414384
137341c983692
14365a62dc460
151b03ee1ba9a
hexe8e12b1e14

1000210112020 has 24 divisors (see below), whose sum is σ = 2400504269184. Its totient is φ = 342929181216.

The previous prime is 1000210112009. The next prime is 1000210112039. The reversal of 1000210112020 is 202110120001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1000210111988 and 1000210112006.

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, 3572178832 + ... + 3572179111.

It is an arithmetic number, because the mean of its divisors is an integer number (100021011216).

Almost surely, 21000210112020 is an apocalyptic number.

1000210112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000210112020 is an abundant number, since it is smaller than the sum of its proper divisors (1400294157164).

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

1000210112020 is a wasteful number, since it uses less digits than its factorization.

1000210112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7144357959 (or 7144357957 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000210112020 its reverse (202110120001), we get a palindrome (1202320232021).

The spelling of 1000210112020 in words is "one trillion, two hundred ten million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 7144357943 14288715886 28577431772 35721789715 50010505601 71443579430 100021011202 142887158860 200042022404 250052528005 500105056010 1000210112020