Search a number
-
+
1202203120220 = 225531134153887
BaseRepresentation
bin10001011111101000111…
…000111101001001011100
311020221002121021012202122
4101133220320331021130
5124144102444321340
62320141241042112
7152566466626034
oct21375070751134
94227077235678
101202203120220
11423940357a03
12174bb3486338
13894a0b6c63b
1442288d788c4
1521413321db5
hex117e8e3d25c

1202203120220 has 24 divisors (see below), whose sum is σ = 2572261017984. Its totient is φ = 471808016576.

The previous prime is 1202203120213. The next prime is 1202203120247. The reversal of 1202203120220 is 220213022021.

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, 567075884 + ... + 567078003.

It is an arithmetic number, because the mean of its divisors is an integer number (107177542416).

Almost surely, 21202203120220 is an apocalyptic number.

1202203120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202203120220 is an abundant number, since it is smaller than the sum of its proper divisors (1370057897764).

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

1202203120220 is a wasteful number, since it uses less digits than its factorization.

1202203120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134153949 (or 1134153947 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1202203120220 its reverse (220213022021), we get a palindrome (1422416142241).

The spelling of 1202203120220 in words is "one trillion, two hundred two billion, two hundred three million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 1134153887 2268307774 4536615548 5670769435 11341538870 22683077740 60110156011 120220312022 240440624044 300550780055 601101560110 1202203120220