67650420203 has 4 divisors (see below), whose sum is σ = 67740501408. Its totient is φ = 67560339000.

The previous prime is 67650420197. The next prime is 67650420223. The reversal of 67650420203 is 30202405676.

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 67650420203 - 2²⁴ = 67633642987 is a prime.

It is a super-2 number, since 2×67650420203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67650420223) 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, 45039476 + ... + 45040977.

It is an arithmetic number, because the mean of its divisors is an integer number (16935125352).

Almost surely, 2^67650420203 is an apocalyptic number.

67650420203 is a deficient number, since it is larger than the sum of its proper divisors (90081205).

67650420203 is an equidigital number, since it uses as much as digits as its factorization.

67650420203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90081204.

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 67650420203 its reverse (30202405676), we get a palindrome (97852825879).

The spelling of 67650420203 in words is "sixty-seven billion, six hundred fifty million, four hundred twenty thousand, two hundred three".