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10122202020 = 22357239971051
BaseRepresentation
bin10010110110101010…
…01000101110100100
3222010102201010210010
421123111020232210
5131212240431040
64352225530220
7505560204030
oct113325105644
928112633703
1010122202020
1143247a0217
121b65aa3970
13c54105768
146c04931c0
153e399ae80
hex25b548ba4

10122202020 has 192 divisors, whose sum is σ = 33865445376. Its totient is φ = 2208729600.

The previous prime is 10122202001. The next prime is 10122202039. The reversal of 10122202020 is 2020222101.

It is an interprime number because it is at equal distance from previous prime (10122202001) and next prime (10122202039).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10122201987 and 10122202005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9630495 + ... + 9631545.

It is an arithmetic number, because the mean of its divisors is an integer number (176382528).

Almost surely, 210122202020 is an apocalyptic number.

10122202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10122202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16932722688).

10122202020 is an abundant number, since it is smaller than the sum of its proper divisors (23743243356).

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

10122202020 is a wasteful number, since it uses less digits than its factorization.

10122202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090 (or 2088 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10122202020 its reverse (2020222101), we get a palindrome (12142424121).

The spelling of 10122202020 in words is "ten billion, one hundred twenty-two million, two hundred two thousand, twenty".