20020101010 has 96 divisors (see below), whose sum is σ = 46600952832. Its totient is φ = 6131583360.

The previous prime is 20020101001. The next prime is 20020101029. The reversal of 20020101010 is 1010102002.

It is a Harshad number since it is a multiple of its sum of digits (7).

20020101010 is a modest number, since divided by 101010 gives 20020 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20020100984 and 20020101002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146779 + ... + 248161.

It is an arithmetic number, because the mean of its divisors is an integer number (485426592).

Almost surely, 2^20020101010 is an apocalyptic number.

20020101010 is an abundant number, since it is smaller than the sum of its proper divisors (26580851822).

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

20020101010 is a wasteful number, since it uses less digits than its factorization.

20020101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101448 (or 101441 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20020101010 its reverse (1010102002), we get a palindrome (21030203012).

The spelling of 20020101010 in words is "twenty billion, twenty million, one hundred one thousand, ten".