1020013201 has 8 divisors (see below), whose sum is σ = 1056349800. Its totient is φ = 983754240.

The previous prime is 1020013139. The next prime is 1020013207. The reversal of 1020013201 is 1023100201.

It can be written as a sum of positive squares in 4 ways, for example, as 152769600 + 867243601 = 12360^2 + 29449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020013201 - 2²⁷ = 885795473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020013207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8011 + ... + 45871.

It is an arithmetic number, because the mean of its divisors is an integer number (132043725).

Almost surely, 2^1020013201 is an apocalyptic number.

It is an amenable number.

1020013201 is a deficient number, since it is larger than the sum of its proper divisors (36336599).

1020013201 is an equidigital number, since it uses as much as digits as its factorization.

1020013201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38819.

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

The square root of 1020013201 is about 31937.6455143456. The cubic root of 1020013201 is about 1006.6270521644.

Adding to 1020013201 its reverse (1023100201), we get a palindrome (2043113402).

The spelling of 1020013201 in words is "one billion, twenty million, thirteen thousand, two hundred one".