1020450002 has 64 divisors (see below), whose sum is σ = 1869557760. Its totient is φ = 411393600.

The previous prime is 1020449987. The next prime is 1020450019. The reversal of 1020450002 is 2000540201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1586693 + ... + 1587335.

It is an arithmetic number, because the mean of its divisors is an integer number (29211840).

Almost surely, 2^1020450002 is an apocalyptic number.

1020450002 is a deficient number, since it is larger than the sum of its proper divisors (849107758).

1020450002 is a wasteful number, since it uses less digits than its factorization.

1020450002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1020450002 is about 31944.4831230684. The cubic root of 1020450002 is about 1006.7707212051.

Adding to 1020450002 its reverse (2000540201), we get a palindrome (3020990203).

It can be divided in two parts, 10204 and 50002, that added together give a palindrome (60206).

The spelling of 1020450002 in words is "one billion, twenty million, four hundred fifty thousand, two".