1020220203 has 16 divisors (see below), whose sum is σ = 1445237280. Its totient is φ = 638942976.

The previous prime is 1020220171. The next prime is 1020220207. The reversal of 1020220203 is 3020220201.

It is not a de Polignac number, because 1020220203 - 2⁵ = 1020220171 is a prime.

It is a super-2 number, since 2×1020220203² = 2081698525218722418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020220207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155250 + ... + 161687.

It is an arithmetic number, because the mean of its divisors is an integer number (90327330).

Almost surely, 2^1020220203 is an apocalyptic number.

1020220203 is a deficient number, since it is larger than the sum of its proper divisors (425017077).

1020220203 is a wasteful number, since it uses less digits than its factorization.

1020220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317006.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1020220203 is about 31940.8860709906. The cubic root of 1020220203 is about 1006.6951426945.

Adding to 1020220203 its reverse (3020220201), we get a palindrome (4040440404).

The spelling of 1020220203 in words is "one billion, twenty million, two hundred twenty thousand, two hundred three".