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1010020020220 = 2251011601312311
BaseRepresentation
bin11101011001010011110…
…00100110111111111100
310120120001000212012012001
432230221320212333330
5113022010111121340
62051555150152044
7132654144342661
oct16545170467774
93516030765161
101010020020220
1135a38aa74442
121438b97b2624
13743241756a3
1436c570dba68
151b41627b29a
hexeb29e26ffc

1010020020220 has 48 divisors (see below), whose sum is σ = 2143387262016. Its totient is φ = 399756800000.

The previous prime is 1010020020181. The next prime is 1010020020221. The reversal of 1010020020220 is 220200200101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1010020020197 and 1010020020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010020020221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3077865 + ... + 3390175.

It is an arithmetic number, because the mean of its divisors is an integer number (44653901292).

Almost surely, 21010020020220 is an apocalyptic number.

1010020020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010020020220 is an abundant number, since it is smaller than the sum of its proper divisors (1133367241796).

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

1010020020220 is a wasteful number, since it uses less digits than its factorization.

1010020020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314022 (or 314020 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1010020020220 its reverse (220200200101), we get a palindrome (1230220220321).

The spelling of 1010020020220 in words is "one trillion, ten billion, twenty million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 1601 2020 3202 6404 8005 16010 32020 161701 312311 323402 624622 646804 808505 1249244 1561555 1617010 3123110 3234020 6246220 31543411 63086822 126173644 157717055 315434110 500009911 630868220 1000019822 2000039644 2500049555 5000099110 10000198220 50501001011 101002002022 202004004044 252505005055 505010010110 1010020020220