20783414 has 16 divisors (see below), whose sum is σ = 31752000. Its totient is φ = 10201344.

The previous prime is 20783407. The next prime is 20783437. The reversal of 20783414 is 41438702.

It is a super-4 number, since 4×20783414⁴ (a number of 30 digits) contains 4444 as substring.

It is a Curzon number.

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, 28547 + ... + 29265.

It is an arithmetic number, because the mean of its divisors is an integer number (1984500).

Almost surely, 2^20783414 is an apocalyptic number.

20783414 is a deficient number, since it is larger than the sum of its proper divisors (10968586).

20783414 is a wasteful number, since it uses less digits than its factorization.

20783414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 20783414 is about 4558.8829772215. The cubic root of 20783414 is about 274.9406549628.

The spelling of 20783414 in words is "twenty million, seven hundred eighty-three thousand, four hundred fourteen".