20703534 has 16 divisors (see below), whose sum is σ = 41559888. Its totient is φ = 6875712.

The previous prime is 20703533. The next prime is 20703539. The reversal of 20703534 is 43530702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20703533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4567 + ... + 7890.

It is an arithmetic number, because the mean of its divisors is an integer number (2597493).

Almost surely, 2^20703534 is an apocalyptic number.

20703534 is an abundant number, since it is smaller than the sum of its proper divisors (20856354).

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

20703534 is a wasteful number, since it uses less digits than its factorization.

20703534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12739.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 20703534 is about 4550.1136249549. The cubic root of 20703534 is about 274.5879625596.

The spelling of 20703534 in words is "twenty million, seven hundred three thousand, five hundred thirty-four".