1020016051 has 4 divisors (see below), whose sum is σ = 1023620632. Its totient is φ = 1016411472.

The previous prime is 1020016009. The next prime is 1020016057. The reversal of 1020016051 is 1506100201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1506100201 = 4523 ⋅332987.

It is a cyclic number.

It is not a de Polignac number, because 1020016051 - 2⁹ = 1020015539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020016057) 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 3 ways as a sum of consecutive naturals, for example, 1801866 + ... + 1802431.

It is an arithmetic number, because the mean of its divisors is an integer number (255905158).

Almost surely, 2^1020016051 is an apocalyptic number.

1020016051 is a deficient number, since it is larger than the sum of its proper divisors (3604581).

1020016051 is an equidigital number, since it uses as much as digits as its factorization.

1020016051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604580.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1020016051 is about 31937.6901325065. The cubic root of 1020016051 is about 1006.6279896962.

Adding to 1020016051 its reverse (1506100201), we get a palindrome (2526116252).

The spelling of 1020016051 in words is "one billion, twenty million, sixteen thousand, fifty-one".