1020014421 has 16 divisors (see below), whose sum is σ = 1406527488. Its totient is φ = 656838000.

The previous prime is 1020014407. The next prime is 1020014431. The reversal of 1020014421 is 1244100201.

It is not a de Polignac number, because 1020014421 - 2⁵ = 1020014389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020014421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020014431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40846 + ... + 60896.

It is an arithmetic number, because the mean of its divisors is an integer number (87907968).

Almost surely, 2^1020014421 is an apocalyptic number.

It is an amenable number.

1020014421 is a deficient number, since it is larger than the sum of its proper divisors (386513067).

1020014421 is a wasteful number, since it uses less digits than its factorization.

1020014421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20632.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1020014421 is about 31937.6646140572. The cubic root of 1020014421 is about 1006.6274534940.

Adding to 1020014421 its reverse (1244100201), we get a palindrome (2264114622).

The spelling of 1020014421 in words is "one billion, twenty million, fourteen thousand, four hundred twenty-one".