Search a number
-
+
2211112002020 = 225937111797631
BaseRepresentation
bin100000001011010000100…
…010111010000111100100
321211101021012022201120212
4200023100202322013210
5242211324133031040
64411434255514552
7315514262625305
oct40132042720744
97741235281525
102211112002020
11782800099629
122b8640b28a58
13130678a6456c
14790386787ac
153c7b1c66d65
hex202d08ba1e4

2211112002020 has 24 divisors (see below), whose sum is σ = 4643831098368. Its totient is φ = 884350344800.

The previous prime is 2211112002013. The next prime is 2211112002061. The reversal of 2211112002020 is 202002111122.

It is a junction number, because it is equal to n+sod(n) for n = 2211112001986 and 2211112002004.

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, 5711396 + ... + 6086235.

It is an arithmetic number, because the mean of its divisors is an integer number (193492962432).

Almost surely, 22211112002020 is an apocalyptic number.

2211112002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211112002020 is an abundant number, since it is smaller than the sum of its proper divisors (2432719096348).

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

2211112002020 is a wasteful number, since it uses less digits than its factorization.

2211112002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11807011 (or 11807009 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2211112002020 its reverse (202002111122), we get a palindrome (2413114113142).

The spelling of 2211112002020 in words is "two trillion, two hundred eleven billion, one hundred twelve million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 9371 18742 37484 46855 93710 187420 11797631 23595262 47190524 58988155 117976310 235952620 110555600101 221111200202 442222400404 552778000505 1105556001010 2211112002020