20249006828 has 24 divisors (see below), whose sum is σ = 35585088000. Its totient is φ = 10081930320.

The previous prime is 20249006779. The next prime is 20249006837. The reversal of 20249006828 is 82860094202.

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, 913193 + ... + 935103.

It is an arithmetic number, because the mean of its divisors is an integer number (1482712000).

Almost surely, 2^20249006828 is an apocalyptic number.

It is an amenable number.

20249006828 is a deficient number, since it is larger than the sum of its proper divisors (15336081172).

20249006828 is a wasteful number, since it uses less digits than its factorization.

20249006828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22877 (or 22875 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 20249006828 in words is "twenty billion, two hundred forty-nine million, six thousand, eight hundred twenty-eight".