20202101012 has 12 divisors (see below), whose sum is σ = 35362822740. Its totient is φ = 10098437376.

The previous prime is 20202100979. The next prime is 20202101041. The reversal of 20202101012 is 21010120202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4928601616 + 15273499396 = 70204^2 + 123586^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20202100984 and 20202101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635837 + ... + 666852.

It is an arithmetic number, because the mean of its divisors is an integer number (2946901895).

Almost surely, 2^20202101012 is an apocalyptic number.

It is an amenable number.

20202101012 is a deficient number, since it is larger than the sum of its proper divisors (15160721728).

20202101012 is a wasteful number, since it uses less digits than its factorization.

20202101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306570 (or 1306568 counting only the distinct ones).

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

Adding to 20202101012 its reverse (21010120202), we get a palindrome (41212221214).

The spelling of 20202101012 in words is "twenty billion, two hundred two million, one hundred one thousand, twelve".