20713954 has 8 divisors (see below), whose sum is σ = 31315968. Its totient is φ = 10275300.

The previous prime is 20713907. The next prime is 20713963. The reversal of 20713954 is 45931702.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40522 + ... + 41029.

It is an arithmetic number, because the mean of its divisors is an integer number (3914496).

Almost surely, 2^20713954 is an apocalyptic number.

20713954 is a deficient number, since it is larger than the sum of its proper divisors (10602014).

20713954 is a wasteful number, since it uses less digits than its factorization.

20713954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81680.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 20713954 is about 4551.2585072703. The cubic root of 20713954 is about 274.6340211486.

It can be divided in two parts, 207 and 13954, that added together give a square (14161 = 119²).

The spelling of 20713954 in words is "twenty million, seven hundred thirteen thousand, nine hundred fifty-four".