1023520201 has 4 divisors (see below), whose sum is σ = 1116567504. Its totient is φ = 930472900.

The previous prime is 1023520193. The next prime is 1023520231. The reversal of 1023520201 is 1020253201.

1023520201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1020253201 = 11 ⋅92750291.

It is a cyclic number.

It is not a de Polignac number, because 1023520201 - 2³ = 1023520193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023520231) 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, 46523635 + ... + 46523656.

It is an arithmetic number, because the mean of its divisors is an integer number (279141876).

Almost surely, 2^1023520201 is an apocalyptic number.

1023520201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1023520201 is a deficient number, since it is larger than the sum of its proper divisors (93047303).

1023520201 is an equidigital number, since it uses as much as digits as its factorization.

1023520201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93047302.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1023520201 is about 31992.5022622489. The cubic root of 1023520201 is about 1007.7793911400.

Adding to 1023520201 its reverse (1020253201), we get a palindrome (2043773402).

The spelling of 1023520201 in words is "one billion, twenty-three million, five hundred twenty thousand, two hundred one".