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10220102021020 = 2251274023662213
BaseRepresentation
bin1001010010111000110110…
…0011001110111110011100
31100012000212111000102002211
42110232031203032332130
52314421232104133040
633423014451130204
72103243440555503
oct224561543167634
940160774012084
1010220102021020
113290359176131
1211908835a3964
135919a0022998
14274926c9183a
1512acad0868ea
hex94b8d8cef9c

10220102021020 has 24 divisors (see below), whose sum is σ = 21631208062464. Its totient is φ = 4055851509696.

The previous prime is 10220102020979. The next prime is 10220102021029. The reversal of 10220102021020 is 2012020102201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220102021029) 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, 2011828567 + ... + 2011833646.

It is an arithmetic number, because the mean of its divisors is an integer number (901300335936).

Almost surely, 210220102021020 is an apocalyptic number.

10220102021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220102021020 is an abundant number, since it is smaller than the sum of its proper divisors (11411106041444).

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

10220102021020 is a wasteful number, since it uses less digits than its factorization.

10220102021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023662349 (or 4023662347 counting only the distinct ones).

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

Adding to 10220102021020 its reverse (2012020102201), we get a palindrome (12232122123221).

The spelling of 10220102021020 in words is "ten trillion, two hundred twenty billion, one hundred two million, twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 4023662213 8047324426 16094648852 20118311065 40236622130 80473244260 511005101051 1022010202102 2044020404204 2555025505255 5110051010510 10220102021020