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20020100011210 = 2513154000769317
BaseRepresentation
bin1001000110101010010101…
…11100110001010011001010
32121212220101012011212111101
410203111022330301103022
510111002131100324320
6110325035035052014
74134255512215435
oct443251274612312
977786335155441
1020020100011210
116419527595a52
1222b4042ba100a
13b22b6c6072b0
144d2d9993881c
1524ab7e7a9c0a
hex12354af314ca

20020100011210 has 16 divisors (see below), whose sum is σ = 38808193868136. Its totient is φ = 7392036927168.

The previous prime is 20020100011193. The next prime is 20020100011231. The reversal of 20020100011210 is 1211000102002.

It can be written as a sum of positive squares in 4 ways, for example, as 6468329110681 + 13551770900529 = 2543291^2 + 3681273^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77000384529 + ... + 77000384788.

Almost surely, 220020100011210 is an apocalyptic number.

20020100011210 is a deficient number, since it is larger than the sum of its proper divisors (18788093856926).

20020100011210 is a wasteful number, since it uses less digits than its factorization.

20020100011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154000769337.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20020100011210 its reverse (1211000102002), we get a palindrome (21231100113212).

The spelling of 20020100011210 in words is "twenty trillion, twenty billion, one hundred million, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 130 154000769317 308001538634 770003846585 1540007693170 2002010001121 4004020002242 10010050005605 20020100011210