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10012202020 = 2251783354791
BaseRepresentation
bin10010101001100011…
…00001010000100100
3221211202201120011001
421110301201100210
5131001110431040
64333300123044
7503053212232
oct112461412044
927752646131
1010012202020
114278699627
121b35096484
13c373a03c2
146ada1b952
153d8ebd59a
hex254c61424

10012202020 has 48 divisors (see below), whose sum is σ = 22530711168. Its totient is φ = 3723875840.

The previous prime is 10012201993. The next prime is 10012202021. The reversal of 10012202020 is 2020221001.

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 = 10012201988 and 10012202006.

It is not an unprimeable number, because it can be changed into a prime (10012202021) 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, 149176 + ... + 205615.

It is an arithmetic number, because the mean of its divisors is an integer number (469389816).

Almost surely, 210012202020 is an apocalyptic number.

10012202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012202020 is an abundant number, since it is smaller than the sum of its proper divisors (12518509148).

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

10012202020 is a wasteful number, since it uses less digits than its factorization.

10012202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354900 (or 354898 counting only the distinct ones).

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

Adding to 10012202020 its reverse (2020221001), we get a palindrome (12032423021).

The spelling of 10012202020 in words is "ten billion, twelve million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 83 85 166 170 332 340 415 830 1411 1660 2822 5644 7055 14110 28220 354791 709582 1419164 1773955 3547910 6031447 7095820 12062894 24125788 29447653 30157235 58895306 60314470 117790612 120628940 147238265 294476530 500610101 588953060 1001220202 2002440404 2503050505 5006101010 10012202020