2010720511642 has 4 divisors (see below), whose sum is σ = 3016080767466. Its totient is φ = 1005360255820.

The previous prime is 2010720511637. The next prime is 2010720511663. The reversal of 2010720511642 is 2461150270102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2003473224481 + 7247287161 = 1415441^2 + 85131^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502680127909 + ... + 502680127912.

Almost surely, 2^{2010720511642} is an apocalyptic number.

2010720511642 is a deficient number, since it is larger than the sum of its proper divisors (1005360255824).

2010720511642 is a wasteful number, since it uses less digits than its factorization.

2010720511642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005360255823.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 2010720511642 its reverse (2461150270102), we get a palindrome (4471870781744).

The spelling of 2010720511642 in words is "two trillion, ten billion, seven hundred twenty million, five hundred eleven thousand, six hundred forty-two".