1030020211 has 4 divisors (see below), whose sum is σ = 1123658424. Its totient is φ = 936382000.

The previous prime is 1030020209. The next prime is 1030020223. The reversal of 1030020211 is 1120200301.

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 1030020211 - 2¹ = 1030020209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030020241) 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, 46819090 + ... + 46819111.

It is an arithmetic number, because the mean of its divisors is an integer number (280914606).

Almost surely, 2^1030020211 is an apocalyptic number.

1030020211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1030020211 is a deficient number, since it is larger than the sum of its proper divisors (93638213).

1030020211 is an equidigital number, since it uses as much as digits as its factorization.

1030020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93638212.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1030020211 is about 32093.9279459526. The cubic root of 1030020211 is about 1009.9082395478.

Adding to 1030020211 its reverse (1120200301), we get a palindrome (2150220512).

The spelling of 1030020211 in words is "one billion, thirty million, twenty thousand, two hundred eleven".