20210020102010 has 16 divisors (see below), whose sum is σ = 36378324194472. Its totient is φ = 8083944038400.

The previous prime is 20210020101961. The next prime is 20210020102033. The reversal of 20210020102010 is 1020102001202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18438461764009 + 1771558338001 = 4294003^2 + 1330999^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20210020101982 and 20210020102000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6663431 + ... + 9209850.

Almost surely, 2^{20210020102010} is an apocalyptic number.

20210020102010 is a deficient number, since it is larger than the sum of its proper divisors (16168304092462).

20210020102010 is a wasteful number, since it uses less digits than its factorization.

20210020102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16000609.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20210020102010 its reverse (1020102001202), we get a palindrome (21230122103212).

The spelling of 20210020102010 in words is "twenty trillion, two hundred ten billion, twenty million, one hundred two thousand, ten".