1023020201 has 16 divisors (see below), whose sum is σ = 1184209920. Its totient is φ = 865624320.

The previous prime is 1023020191. The next prime is 1023020209. The reversal of 1023020201 is 1020203201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1023020201 - 2¹⁰ = 1023019177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023020209) 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, 616565 + ... + 618221.

It is an arithmetic number, because the mean of its divisors is an integer number (74013120).

Almost surely, 2^1023020201 is an apocalyptic number.

It is an amenable number.

1023020201 is a deficient number, since it is larger than the sum of its proper divisors (161189719).

1023020201 is an equidigital number, since it uses as much as digits as its factorization.

1023020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1023020201 is about 31984.6869767394. The cubic root of 1023020201 is about 1007.6152609258.

Adding to 1023020201 its reverse (1020203201), we get a palindrome (2043223402).

The spelling of 1023020201 in words is "one billion, twenty-three million, twenty thousand, two hundred one".