20950798 has 16 divisors (see below), whose sum is σ = 34415280. Its totient is φ = 9486400.

The previous prime is 20950771. The next prime is 20950801. The reversal of 20950798 is 89705902.

It is a self number, because there is not a number n which added to its sum of digits gives 20950798.

It is a congruent number.

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, 4488 + ... + 7876.

It is an arithmetic number, because the mean of its divisors is an integer number (2150955).

Almost surely, 2^20950798 is an apocalyptic number.

20950798 is a deficient number, since it is larger than the sum of its proper divisors (13464482).

20950798 is a wasteful number, since it uses less digits than its factorization.

20950798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 20950798 is about 4577.2041684854. The cubic root of 20950798 is about 275.6767815430.

The spelling of 20950798 in words is "twenty million, nine hundred fifty thousand, seven hundred ninety-eight".