20462020101 has 24 divisors (see below), whose sum is σ = 30351386520. Its totient is φ = 13275993600.

The previous prime is 20462020093. The next prime is 20462020141. The reversal of 20462020101 is 10102026402.

20462020101 is a `hidden beast` number, since 2 + 0 + 462 + 0 + 201 + 0 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1936088001 + 18525932100 = 44001^2 + 136110^2 .

It is not a de Polignac number, because 20462020101 - 2³ = 20462020093 is a prime.

It is a super-2 number, since 2×20462020101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20462020141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83131 + ... + 218711.

It is an arithmetic number, because the mean of its divisors is an integer number (1264641105).

Almost surely, 2^20462020101 is an apocalyptic number.

It is an amenable number.

20462020101 is a deficient number, since it is larger than the sum of its proper divisors (9889366419).

20462020101 is a wasteful number, since it uses less digits than its factorization.

20462020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136037 (or 136034 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20462020101 its reverse (10102026402), we get a palindrome (30564046503).

The spelling of 20462020101 in words is "twenty billion, four hundred sixty-two million, twenty thousand, one hundred one".