20199410 has 64 divisors (see below), whose sum is σ = 46621440. Its totient is φ = 6117120.

The previous prime is 20199409. The next prime is 20199427. The reversal of 20199410 is 1499102.

It is a self number, because there is not a number n which added to its sum of digits gives 20199410.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28136 + ... + 28844.

It is an arithmetic number, because the mean of its divisors is an integer number (728460).

Almost surely, 2^20199410 is an apocalyptic number.

20199410 is an abundant number, since it is smaller than the sum of its proper divisors (26422030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20199410 is a wasteful number, since it uses less digits than its factorization.

20199410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 20199410 is about 4494.3753737310. The cubic root of 20199410 is about 272.3409166013.

The spelling of 20199410 in words is "twenty million, one hundred ninety-nine thousand, four hundred ten".