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20201202103213 = 193832776034369
BaseRepresentation
bin1001001011111011101010…
…11110011011001110101101
32122112012211111201100202101
410211331311132123032231
510121434030214300323
6110544145405255101
74153326422463655
oct445756536331655
978465744640671
1020201202103213
116489310a4116a
122323165864491
13b36c71682791
144dba59c59365
1525072db0ddad
hex125f7579b3ad

20201202103213 has 8 divisors (see below), whose sum is σ = 21319943961600. Its totient is φ = 19088012314368.

The previous prime is 20201202103189. The next prime is 20201202103253. The reversal of 20201202103213 is 31230120210202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20201202103213 - 213 = 20201202095021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201202103253) 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, 1388009908 + ... + 1388024461.

It is an arithmetic number, because the mean of its divisors is an integer number (2664992995200).

Almost surely, 220201202103213 is an apocalyptic number.

It is an amenable number.

20201202103213 is a deficient number, since it is larger than the sum of its proper divisors (1118741858387).

20201202103213 is a wasteful number, since it uses less digits than its factorization.

20201202103213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776034771.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20201202103213 its reverse (31230120210202), we get a palindrome (51431322313415).

The spelling of 20201202103213 in words is "twenty trillion, two hundred one billion, two hundred two million, one hundred three thousand, two hundred thirteen".

Divisors: 1 19 383 7277 2776034369 52744653011 1063221163327 20201202103213