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10210210220020 = 225510510511001
BaseRepresentation
bin1001010010010011111111…
…1101000000011111110100
31100011002100002211212002211
42110210333331000133310
52314241002304020040
633414301131343204
72102443345624516
oct224447775003764
940132302755084
1010210210220020
113287142542688
12118a9828b1b04
13590a84889bb5
14274269255bb6
1512a8ce94c8ea
hex9493ff407f4

10210210220020 has 12 divisors (see below), whose sum is σ = 21441441462084. Its totient is φ = 4084084088000.

The previous prime is 10210210220003. The next prime is 10210210220033. The reversal of 10210210220020 is 2002201201201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8153286316816 + 2056923903204 = 2855396^2 + 1434198^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255255255481 + ... + 255255255520.

It is an arithmetic number, because the mean of its divisors is an integer number (1786786788507).

Almost surely, 210210210220020 is an apocalyptic number.

10210210220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210210220020 is an abundant number, since it is smaller than the sum of its proper divisors (11231231242064).

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

10210210220020 is a wasteful number, since it uses less digits than its factorization.

10210210220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510510511010 (or 510510511008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10210210220020 its reverse (2002201201201), we get a palindrome (12212411421221).

The spelling of 10210210220020 in words is "ten trillion, two hundred ten billion, two hundred ten million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 510510511001 1021021022002 2042042044004 2552552555005 5105105110010 10210210220020