20092970 has 16 divisors (see below), whose sum is σ = 36937728. Its totient is φ = 7866000.

The previous prime is 20092957. The next prime is 20092979. The reversal of 20092970 is 7929002.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20092979) 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, 20906 + ... + 21845.

It is an arithmetic number, because the mean of its divisors is an integer number (2308608).

Almost surely, 2^20092970 is an apocalyptic number.

20092970 is a deficient number, since it is larger than the sum of its proper divisors (16844758).

20092970 is a wasteful number, since it uses less digits than its factorization.

20092970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42805.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 20092970 is about 4482.5182654396. The cubic root of 20092970 is about 271.8617106289.

The spelling of 20092970 in words is "twenty million, ninety-two thousand, nine hundred seventy".