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20202020020019 = 51629339128983
BaseRepresentation
bin1001001011111101001100…
…01110100001111100110011
32122112021221111202211200102
410211332212032201330303
510121442214111120034
6110544402504143015
74153355613612035
oct445764616417463
978467844684612
1020202020020019
1164896a06aa172
122323353767a6b
13b37071c69816
144dbad6729c55
1525077a82497e
hex125fa63a1f33

20202020020019 has 4 divisors (see below), whose sum is σ = 20202059665296. Its totient is φ = 20201980374744.

The previous prime is 20202020019953. The next prime is 20202020020031. The reversal of 20202020020019 is 91002002020202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20202020020019 - 28 = 20202020019763 is a prime.

It is a super-2 number, since 2×202020200200192 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202026020019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19048199 + ... + 20080784.

It is an arithmetic number, because the mean of its divisors is an integer number (5050514916324).

Almost surely, 220202020020019 is an apocalyptic number.

20202020020019 is a deficient number, since it is larger than the sum of its proper divisors (39645277).

20202020020019 is an equidigital number, since it uses as much as digits as its factorization.

20202020020019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39645276.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 20202020020019 in words is "twenty trillion, two hundred two billion, twenty million, twenty thousand, nineteen".

Divisors: 1 516293 39128983 20202020020019