20700948 has 12 divisors (see below), whose sum is σ = 48302240. Its totient is φ = 6900312.

The previous prime is 20700929. The next prime is 20700949. The reversal of 20700948 is 84900702.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20700949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862528 + ... + 862551.

Almost surely, 2^20700948 is an apocalyptic number.

It is an amenable number.

20700948 is an abundant number, since it is smaller than the sum of its proper divisors (27601292).

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

20700948 is a wasteful number, since it uses less digits than its factorization.

20700948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725086 (or 1725084 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 20700948 is about 4549.8294473529. The cubic root of 20700948 is about 274.5765295028.

The spelling of 20700948 in words is "twenty million, seven hundred thousand, nine hundred forty-eight".