20269734 has 8 divisors (see below), whose sum is σ = 40539480. Its totient is φ = 6756576.

The previous prime is 20269721. The next prime is 20269771. The reversal of 20269734 is 43796202.

It is a sphenic number, since it is the product of 3 distinct primes.

20269734 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20269695 and 20269704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689139 + ... + 1689150.

It is an arithmetic number, because the mean of its divisors is an integer number (5067435).

Almost surely, 2^20269734 is an apocalyptic number.

20269734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20269734 is a wasteful number, since it uses less digits than its factorization.

20269734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378294.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 20269734 is about 4502.1921327282. The cubic root of 20269734 is about 272.6566010622.

The spelling of 20269734 in words is "twenty million, two hundred sixty-nine thousand, seven hundred thirty-four".