10102020424 has 16 divisors (see below), whose sum is σ = 18943639020. Its totient is φ = 5050383360.

The previous prime is 10102020391. The next prime is 10102020431. The reversal of 10102020424 is 42402020101.

It can be written as a sum of positive squares in 2 ways, for example, as 10026016900 + 76003524 = 100130^2 + 8718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10102020398 and 10102020407.

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, 5929 + ... + 142264.

Almost surely, 2^10102020424 is an apocalyptic number.

It is an amenable number.

10102020424 is a deficient number, since it is larger than the sum of its proper divisors (8841618596).

10102020424 is a wasteful number, since it uses less digits than its factorization.

10102020424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156720 (or 156716 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10102020424 its reverse (42402020101), we get a palindrome (52504040525).

The spelling of 10102020424 in words is "ten billion, one hundred two million, twenty thousand, four hundred twenty-four".