20120001010 has 16 divisors (see below), whose sum is σ = 36318603096. Its totient is φ = 8025200128.

The previous prime is 20120001001. The next prime is 20120001049. The reversal of 20120001010 is 1010002102.

It can be written as a sum of positive squares in 4 ways, for example, as 18868044321 + 1251956689 = 137361^2 + 35383^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20120000984 and 20120001002.

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, 2846329 + ... + 2853388.

Almost surely, 2^20120001010 is an apocalyptic number.

20120001010 is a deficient number, since it is larger than the sum of its proper divisors (16198602086).

20120001010 is a wasteful number, since it uses less digits than its factorization.

20120001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700077.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20120001010 its reverse (1010002102), we get a palindrome (21130003112).

The spelling of 20120001010 in words is "twenty billion, one hundred twenty million, one thousand, ten".