1020634424 has 8 divisors (see below), whose sum is σ = 1913689560. Its totient is φ = 510317208.

The previous prime is 1020634411. The next prime is 1020634441. The reversal of 1020634424 is 4244360201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1020634393 and 1020634402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63789644 + ... + 63789659.

It is an arithmetic number, because the mean of its divisors is an integer number (239211195).

Almost surely, 2^1020634424 is an apocalyptic number.

It is an amenable number.

1020634424 is a deficient number, since it is larger than the sum of its proper divisors (893055136).

1020634424 is a wasteful number, since it uses less digits than its factorization.

1020634424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127579309 (or 127579305 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1020634424 is about 31947.3695943813. The cubic root of 1020634424 is about 1006.8313674838.

Adding to 1020634424 its reverse (4244360201), we get a palindrome (5264994625).

The spelling of 1020634424 in words is "one billion, twenty million, six hundred thirty-four thousand, four hundred twenty-four".