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1112201202020 = 225531049246417
BaseRepresentation
bin10000001011110100010…
…110111000100101100100
310221022210012210001100212
4100023310112320211210
5121210242001431040
62210534351354552
7143232245143046
oct20136426704544
93838705701325
101112201202020
11399755646727
1215b675b22a58
1380b5982823c
143bb8badba96
151dde6c16d65
hex102f45b8964

1112201202020 has 24 divisors (see below), whose sum is σ = 2379690876024. Its totient is φ = 436486509056.

The previous prime is 1112201201987. The next prime is 1112201202031. The reversal of 1112201202020 is 202021022111.

It can be written as a sum of positive squares in 4 ways, for example, as 60095580736 + 1052105621284 = 245144^2 + 1025722^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1112201201986 and 1112201202004.

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, 524622149 + ... + 524624268.

It is an arithmetic number, because the mean of its divisors is an integer number (99153786501).

Almost surely, 21112201202020 is an apocalyptic number.

1112201202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112201202020 is an abundant number, since it is smaller than the sum of its proper divisors (1267489674004).

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

1112201202020 is a wasteful number, since it uses less digits than its factorization.

1112201202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049246479 (or 1049246477 counting only the distinct ones).

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

Adding to 1112201202020 its reverse (202021022111), we get a palindrome (1314222224131).

The spelling of 1112201202020 in words is "one trillion, one hundred twelve billion, two hundred one million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 1049246417 2098492834 4196985668 5246232085 10492464170 20984928340 55610060101 111220120202 222440240404 278050300505 556100601010 1112201202020