10420545505252 has 24 divisors (see below), whose sum is σ = 18660967282496. Its totient is φ = 5088852524448.

The previous prime is 10420545505219. The next prime is 10420545505283. The reversal of 10420545505252 is 25250554502401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025598 + ... + 4994410.

Almost surely, 2^{10420545505252} is an apocalyptic number.

It is an amenable number.

10420545505252 is a deficient number, since it is larger than the sum of its proper divisors (8240421777244).

10420545505252 is a wasteful number, since it uses less digits than its factorization.

10420545505252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989267 (or 2989265 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 40.

The spelling of 10420545505252 in words is "ten trillion, four hundred twenty billion, five hundred forty-five million, five hundred five thousand, two hundred fifty-two".