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1012220122020 = 223516870335367
BaseRepresentation
bin11101011101011010000…
…01010101001110100100
310120202201100201221110220
432232231001111032210
5113041011322401040
62053001342044340
7133062521034642
oct16565501251644
93522640657426
101012220122020
11360309963498
121442125796b0
13745b4c11483
1436dc53a4192
151b4e44b82d0
hexebad0553a4

1012220122020 has 24 divisors (see below), whose sum is σ = 2834216341824. Its totient is φ = 269925365856.

The previous prime is 1012220122013. The next prime is 1012220122021. The reversal of 1012220122020 is 202210222101.

1012220122020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1012220122021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8435167624 + ... + 8435167743.

It is an arithmetic number, because the mean of its divisors is an integer number (118092347576).

Almost surely, 21012220122020 is an apocalyptic number.

1012220122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012220122020 is an abundant number, since it is smaller than the sum of its proper divisors (1821996219804).

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

1012220122020 is a wasteful number, since it uses less digits than its factorization.

1012220122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16870335379 (or 16870335377 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1012220122020 its reverse (202210222101), we get a palindrome (1214430344121).

The spelling of 1012220122020 in words is "one trillion, twelve billion, two hundred twenty million, one hundred twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 16870335367 33740670734 50611006101 67481341468 84351676835 101222012202 168703353670 202444024404 253055030505 337406707340 506110061010 1012220122020