20262970 has 48 divisors (see below), whose sum is σ = 45706248. Its totient is φ = 6410880.

The previous prime is 20262961. The next prime is 20262973. The reversal of 20262970 is 7926202.

It can be written as a sum of positive squares in 4 ways, for example, as 7568001 + 12694969 = 2751^2 + 3563^2 .

It is not an unprimeable number, because it can be changed into a prime (20262973) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4780 + ... + 7960.

Almost surely, 2^20262970 is an apocalyptic number.

20262970 is an abundant number, since it is smaller than the sum of its proper divisors (25443278).

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

20262970 is a wasteful number, since it uses less digits than its factorization.

20262970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215 (or 3208 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 20262970 is about 4501.4408804293. The cubic root of 20262970 is about 272.6262692314.

The spelling of 20262970 in words is "twenty million, two hundred sixty-two thousand, nine hundred seventy".