202020010021010 has 16 divisors (see below), whose sum is σ = 363647267297856. Its totient is φ = 80805504172848.

The previous prime is 202020010021009. The next prime is 202020010021069. The reversal of 202020010021010 is 10120010020202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202020010020982 and 202020010021000.

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, 312140012 + ... + 312786551.

It is an arithmetic number, because the mean of its divisors is an integer number (22727954206116).

Almost surely, 2^{202020010021010} is an apocalyptic number.

202020010021010 is a deficient number, since it is larger than the sum of its proper divisors (161627257276846).

202020010021010 is a wasteful number, since it uses less digits than its factorization.

202020010021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624958897.

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

Adding to 202020010021010 its reverse (10120010020202), we get a palindrome (212140020041212).

The spelling of 202020010021010 in words is "two hundred two trillion, twenty billion, ten million, twenty-one thousand, ten".