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20022220120210 = 257111737160925693
BaseRepresentation
bin1001000110101110010010…
…10100010110000010010010
32121220002211221112120021221
410203113021110112002102
510111021001322321320
6110330025252235254
74134362164644310
oct443271124260222
977802757476257
1020022220120210
11641a415309250
1222b453500bb2a
13b23119916069
144d311b33b0b0
1524ac559953aa
hex1235c9516092

20022220120210 has 256 divisors, whose sum is σ = 48894210247680. Its totient is φ = 5711072624640.

The previous prime is 20022220120169. The next prime is 20022220120211. The reversal of 20022220120210 is 1202102222002.

It is not an unprimeable number, because it can be changed into a prime (20022220120211) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 779274124 + ... + 779299816.

It is an arithmetic number, because the mean of its divisors is an integer number (190993008780).

Almost surely, 220022220120210 is an apocalyptic number.

20022220120210 is an abundant number, since it is smaller than the sum of its proper divisors (28871990127470).

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

20022220120210 is a wasteful number, since it uses less digits than its factorization.

20022220120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27381.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20022220120210 its reverse (1202102222002), we get a palindrome (21224322342212).

The spelling of 20022220120210 in words is "twenty trillion, twenty-two billion, two hundred twenty million, one hundred twenty thousand, two hundred ten".