Search a number
-
+
20202012101203 = 179782111236943
BaseRepresentation
bin1001001011111101001011…
…10000010100101001010011
32122112021220221212112002221
410211332211300110221103
510121442210044214303
6110544402022321511
74153355456401102
oct445764560245123
978467827775087
1020202012101203
116489697190699
122323350b89297
13b3707042632a
144dbad5668039
15250779cad4bd
hex125fa5c14a53

20202012101203 has 4 divisors (see below), whose sum is σ = 20202025135968. Its totient is φ = 20201999066440.

The previous prime is 20202012101113. The next prime is 20202012101207. The reversal of 20202012101203 is 30210121020202.

It is a happy number.

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 20202012101203 - 221 = 20202010004051 is a prime.

It is a super-2 number, since 2×202020121012032 (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 (20202012101207) 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, 3820651 + ... + 7416292.

It is an arithmetic number, because the mean of its divisors is an integer number (5050506283992).

Almost surely, 220202012101203 is an apocalyptic number.

20202012101203 is a deficient number, since it is larger than the sum of its proper divisors (13034765).

20202012101203 is a wasteful number, since it uses less digits than its factorization.

20202012101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13034764.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20202012101203 its reverse (30210121020202), we get a palindrome (50412133121405).

The spelling of 20202012101203 in words is "twenty trillion, two hundred two billion, twelve million, one hundred one thousand, two hundred three".

Divisors: 1 1797821 11236943 20202012101203