20602101 has 16 divisors (see below), whose sum is σ = 29865024. Its totient is φ = 12557184.

The previous prime is 20602097. The next prime is 20602103. The reversal of 20602101 is 10120602.

It is not a de Polignac number, because 20602101 - 2² = 20602097 is a prime.

It is a super-2 number, since 2×20602101² = 848893131228402, 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 (20602103) 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, 1705 + ... + 6641.

It is an arithmetic number, because the mean of its divisors is an integer number (1866564).

Almost surely, 2^20602101 is an apocalyptic number.

It is an amenable number.

20602101 is a deficient number, since it is larger than the sum of its proper divisors (9262923).

20602101 is a wasteful number, since it uses less digits than its factorization.

20602101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 20602101 is about 4538.9537340669. The cubic root of 20602101 is about 274.1387978476.

Adding to 20602101 its reverse (10120602), we get a palindrome (30722703).

It can be divided in two parts, 20602 and 101, that multiplied together give a palindrome (2080802).

The spelling of 20602101 in words is "twenty million, six hundred two thousand, one hundred one".