20006770 has 32 divisors (see below), whose sum is σ = 42166656. Its totient is φ = 6691200.

The previous prime is 20006743. The next prime is 20006797. The reversal of 20006770 is 7760002.

It is an interprime number because it is at equal distance from previous prime (20006743) and next prime (20006797).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616 + ... + 6355.

It is an arithmetic number, because the mean of its divisors is an integer number (1317708).

Almost surely, 2^20006770 is an apocalyptic number.

20006770 is an abundant number, since it is smaller than the sum of its proper divisors (22159886).

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

20006770 is a wasteful number, since it uses less digits than its factorization.

20006770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7026.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 20006770 is about 4472.8927999674. The cubic root of 20006770 is about 271.4723858831.

Adding to 20006770 its reverse (7760002), we get a palindrome (27766772).

The spelling of 20006770 in words is "twenty million, six thousand, seven hundred seventy".