20560701 has 16 divisors (see below), whose sum is σ = 33174144. Its totient is φ = 11057664.

The previous prime is 20560697. The next prime is 20560703. The reversal of 20560701 is 10706502.

It is not a de Polignac number, because 20560701 - 2² = 20560697 is a prime.

It is a super-2 number, since 2×20560701² = 845484851222802, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20560703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28440 + ... + 29153.

It is an arithmetic number, because the mean of its divisors is an integer number (2073384).

Almost surely, 2^20560701 is an apocalyptic number.

20560701 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20560701 is a deficient number, since it is larger than the sum of its proper divisors (12613443).

20560701 is a wasteful number, since it uses less digits than its factorization.

20560701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57620.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 20560701 is about 4534.3909183042. The cubic root of 20560701 is about 273.9550470591.

It can be divided in two parts, 205 and 60701, that added together give a palindrome (60906).

The spelling of 20560701 in words is "twenty million, five hundred sixty thousand, seven hundred one".