10021542352 has 20 divisors (see below), whose sum is σ = 19941516196. Its totient is φ = 4875344640.

The previous prime is 10021542337. The next prime is 10021542361. The reversal of 10021542352 is 25324512001.

It can be written as a sum of positive squares in 2 ways, for example, as 8453699136 + 1567843216 = 91944^2 + 39596^2 .

It is a super-2 number, since 2×10021542352² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8463549 + ... + 8464732.

Almost surely, 2^10021542352 is an apocalyptic number.

It is an amenable number.

10021542352 is a deficient number, since it is larger than the sum of its proper divisors (9919973844).

10021542352 is a wasteful number, since it uses less digits than its factorization.

10021542352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16928326 (or 16928320 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 10021542352 in words is "ten billion, twenty-one million, five hundred forty-two thousand, three hundred fifty-two".