20101704 has 32 divisors (see below), whose sum is σ = 57433920. Its totient is φ = 5743296.

The previous prime is 20101673. The next prime is 20101709. The reversal of 20101704 is 40710102.

It is not an unprimeable number, because it can be changed into a prime (20101709) 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 7 ways as a sum of consecutive naturals, for example, 59659 + ... + 59994.

It is an arithmetic number, because the mean of its divisors is an integer number (1794810).

Almost surely, 2^20101704 is an apocalyptic number.

20101704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20101704 is an abundant number, since it is smaller than the sum of its proper divisors (37332216).

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

20101704 is a wasteful number, since it uses less digits than its factorization.

20101704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119669 (or 119665 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 20101704 is about 4483.4923887523. The cubic root of 20101704 is about 271.9010958172.

Adding to 20101704 its reverse (40710102), we get a palindrome (60811806).

The spelling of 20101704 in words is "twenty million, one hundred one thousand, seven hundred four".