20077701 has 24 divisors (see below), whose sum is σ = 31584384. Its totient is φ = 11309760.

The previous prime is 20077693. The next prime is 20077703. The reversal of 20077701 is 10777002.

It is not a de Polignac number, because 20077701 - 2³ = 20077693 is a prime.

It is a super-2 number, since 2×20077701² = 806228154890802, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20077703) 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, 9796 + ... + 11666.

It is an arithmetic number, because the mean of its divisors is an integer number (1316016).

Almost surely, 2^20077701 is an apocalyptic number.

20077701 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20077701 is a deficient number, since it is larger than the sum of its proper divisors (11506683).

20077701 is a wasteful number, since it uses less digits than its factorization.

20077701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961 (or 1954 counting only the distinct ones).

The product of its (nonzero) digits is 686, while the sum is 24.

The square root of 20077701 is about 4480.8147696596. The cubic root of 20077701 is about 271.7928290185.

The spelling of 20077701 in words is "twenty million, seventy-seven thousand, seven hundred one".