1020011502 has 16 divisors (see below), whose sum is σ = 2065847040. Its totient is φ = 335699832.

The previous prime is 1020011501. The next prime is 1020011527. The reversal of 1020011502 is 2051100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020011501) 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 7 ways as a sum of consecutive naturals, for example, 1075488 + ... + 1076435.

It is an arithmetic number, because the mean of its divisors is an integer number (129115440).

Almost surely, 2^1020011502 is an apocalyptic number.

1020011502 is an abundant number, since it is smaller than the sum of its proper divisors (1045835538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020011502 is a wasteful number, since it uses less digits than its factorization.

1020011502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152007.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1020011502 is about 31937.6189156299. The cubic root of 1020011502 is about 1006.6264932630.

Adding to 1020011502 its reverse (2051100201), we get a palindrome (3071111703).

The spelling of 1020011502 in words is "one billion, twenty million, eleven thousand, five hundred two".