20702954 has 8 divisors (see below), whose sum is σ = 31263300. Its totient is φ = 10281856.

The previous prime is 20702911. The next prime is 20702971. The reversal of 20702954 is 45920702.

It can be written as a sum of positive squares in 2 ways, for example, as 20025625 + 677329 = 4475^2 + 823^2 .

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

It is a super-2 number, since 2×20702954² = 857224608652232, which contains 22 as substring.

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, 34439 + ... + 35034.

Almost surely, 2^20702954 is an apocalyptic number.

20702954 is a deficient number, since it is larger than the sum of its proper divisors (10560346).

20702954 is a wasteful number, since it uses less digits than its factorization.

20702954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69624.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 20702954 is about 4550.0498898364. The cubic root of 20702954 is about 274.5853983837.

The spelling of 20702954 in words is "twenty million, seven hundred two thousand, nine hundred fifty-four".