20848719 has 16 divisors (see below), whose sum is σ = 29360000. Its totient is φ = 13123296.

The previous prime is 20848703. The next prime is 20848733. The reversal of 20848719 is 91784802.

It is not a de Polignac number, because 20848719 - 2⁴ = 20848703 is a prime.

It is a super-2 number, since 2×20848719² = 869338167881922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20848759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28077 + ... + 28809.

It is an arithmetic number, because the mean of its divisors is an integer number (1835000).

Almost surely, 2^20848719 is an apocalyptic number.

20848719 is a deficient number, since it is larger than the sum of its proper divisors (8511281).

20848719 is a wasteful number, since it uses less digits than its factorization.

20848719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 20848719 is about 4566.0397501555. The cubic root of 20848719 is about 275.2283238760.

The spelling of 20848719 in words is "twenty million, eight hundred forty-eight thousand, seven hundred nineteen".