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20202201132023 = 71284538044113
BaseRepresentation
bin1001001011111101100010…
…00001011010101111110111
32122112022102010120021122102
410211332301001122233313
510121443101442211043
6110544432454052315
74153363243211261
oct445766101325767
978468363507572
1020202201132023
116489783961309
1223233a434a09b
13b370a063c8a1
144dbb127d2b31
1525078b69c6b8
hex125fb105abf7

20202201132023 has 4 divisors (see below), whose sum is σ = 20486739176208. Its totient is φ = 19917663087840.

The previous prime is 20202201132013. The next prime is 20202201132073. The reversal of 20202201132023 is 32023110220202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20202201132023 is a prime.

It is a super-2 number, since 2×202022011320232 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20202201131986 and 20202201132004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202201132013) 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, 142269021986 + ... + 142269022127.

It is an arithmetic number, because the mean of its divisors is an integer number (5121684794052).

Almost surely, 220202201132023 is an apocalyptic number.

20202201132023 is a deficient number, since it is larger than the sum of its proper divisors (284538044185).

20202201132023 is an equidigital number, since it uses as much as digits as its factorization.

20202201132023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284538044184.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20202201132023 its reverse (32023110220202), we get a palindrome (52225311352225).

The spelling of 20202201132023 in words is "twenty trillion, two hundred two billion, two hundred one million, one hundred thirty-two thousand, twenty-three".

Divisors: 1 71 284538044113 20202201132023