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120210221202020 = 2256010511060101
BaseRepresentation
bin11011010101010010011111…
…100010000111101001100100
3120202121222121000001120200122
4123111102133202013221210
5111224011013111431040
61103355451354501112
734214621226004025
oct3325223742075144
9522558530046618
10120210221202020
1135336960aa3804
1211595667a34798
13520ca10204b81
1421982c4814c4c
15dd6e250ce1b5
hex6d549f887a64

120210221202020 has 12 divisors (see below), whose sum is σ = 252441464524284. Its totient is φ = 48084088480800.

The previous prime is 120210221202017. The next prime is 120210221202037. The reversal of 120210221202020 is 20202122012021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53073206538496 + 67137014663524 = 7285136^2 + 8193718^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120210221202020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005255530031 + ... + 3005255530070.

It is an arithmetic number, because the mean of its divisors is an integer number (21036788710357).

Almost surely, 2120210221202020 is an apocalyptic number.

120210221202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120210221202020 is an abundant number, since it is smaller than the sum of its proper divisors (132231243322264).

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

120210221202020 is a wasteful number, since it uses less digits than its factorization.

120210221202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010511060110 (or 6010511060108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120210221202020 its reverse (20202122012021), we get a palindrome (140412343214041).

The spelling of 120210221202020 in words is "one hundred twenty trillion, two hundred ten billion, two hundred twenty-one million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 6010511060101 12021022120202 24042044240404 30052555300505 60105110601010 120210221202020