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200002211020 = 22575611322591
BaseRepresentation
bin1011101001000100001…
…1111000110011001100
3201010020111110000110001
42322101003320303030
511234101031223040
6231514005254044
720310145513063
oct2722103706314
9633214400401
10200002211020
1177903041397
1232918404324
1315b24914681
1499744d91da
15530875e59a
hex2e910f8ccc

200002211020 has 24 divisors (see below), whose sum is σ = 420060509568. Its totient is φ = 79990243200.

The previous prime is 200002210951. The next prime is 200002211029. The reversal of 200002211020 is 20112200002.

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 = 200002210988 and 200002211006.

It is not an unprimeable number, because it can be changed into a prime (200002211029) 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, 510076 + ... + 812515.

It is an arithmetic number, because the mean of its divisors is an integer number (17502521232).

Almost surely, 2200002211020 is an apocalyptic number.

200002211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200002211020 is an abundant number, since it is smaller than the sum of its proper divisors (220058298548).

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

200002211020 is a wasteful number, since it uses less digits than its factorization.

200002211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330161 (or 1330159 counting only the distinct ones).

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

Adding to 200002211020 its reverse (20112200002), we get a palindrome (220114411022).

The spelling of 200002211020 in words is "two hundred billion, two million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 7561 15122 30244 37805 75610 151220 1322591 2645182 5290364 6612955 13225910 26451820 10000110551 20000221102 40000442204 50000552755 100001105510 200002211020