10215420524 has 6 divisors (see below), whose sum is σ = 17876985924. Its totient is φ = 5107710260.

The previous prime is 10215420511. The next prime is 10215420541. The reversal of 10215420524 is 42502451201.

It is a junction number, because it is equal to n+sod(n) for n = 10215420493 and 10215420502.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276927562 + ... + 1276927569.

It is an arithmetic number, because the mean of its divisors is an integer number (2979497654).

Almost surely, 2^10215420524 is an apocalyptic number.

It is an amenable number.

10215420524 is a deficient number, since it is larger than the sum of its proper divisors (7661565400).

10215420524 is a wasteful number, since it uses less digits than its factorization.

10215420524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553855135 (or 2553855133 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 10215420524 its reverse (42502451201), we get a palindrome (52717871725).

The spelling of 10215420524 in words is "ten billion, two hundred fifteen million, four hundred twenty thousand, five hundred twenty-four".