20002021202102 has 16 divisors (see below), whose sum is σ = 31037794714800. Its totient is φ = 9656093532960.

The previous prime is 20002021202081. The next prime is 20002021202113. The reversal of 20002021202102 is 20120212020002.

It is a congruent number.

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, 10522049 + ... + 12276707.

It is an arithmetic number, because the mean of its divisors is an integer number (1939862169675).

Almost surely, 2^{20002021202102} is an apocalyptic number.

20002021202102 is a deficient number, since it is larger than the sum of its proper divisors (11035773512698).

20002021202102 is a wasteful number, since it uses less digits than its factorization.

20002021202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951231.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20002021202102 its reverse (20120212020002), we get a palindrome (40122233222104).

The spelling of 20002021202102 in words is "twenty trillion, two billion, twenty-one million, two hundred two thousand, one hundred two".