10020200120010 has 24 divisors (see below), whose sum is σ = 26052520312260. Its totient is φ = 2672053365312.

The previous prime is 10020200119927. The next prime is 10020200120087. The reversal of 10020200120010 is 1002100202001.

It can be written as a sum of positive squares in 2 ways, for example, as 9997693819569 + 22506300441 = 3161913^2 + 150021^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10020200119974 and 10020200120001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55667778355 + ... + 55667778534.

Almost surely, 2^{10020200120010} is an apocalyptic number.

10020200120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10020200120010 is an abundant number, since it is smaller than the sum of its proper divisors (16032320192250).

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

10020200120010 is a wasteful number, since it uses less digits than its factorization.

10020200120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111335556902 (or 111335556899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10020200120010 its reverse (1002100202001), we get a palindrome (11022300322011).

The spelling of 10020200120010 in words is "ten trillion, twenty billion, two hundred million, one hundred twenty thousand, ten".