20070126722 has 4 divisors (see below), whose sum is σ = 30105190086. Its totient is φ = 10035063360.

The previous prime is 20070126677. The next prime is 20070126743. The reversal of 20070126722 is 22762107002.

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., 16022749561 + 4047377161 = 126581^2 + 63619^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5017531679 + ... + 5017531682.

Almost surely, 2^20070126722 is an apocalyptic number.

20070126722 is a deficient number, since it is larger than the sum of its proper divisors (10035063364).

20070126722 is a wasteful number, since it uses less digits than its factorization.

20070126722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10035063363.

The product of its (nonzero) digits is 4704, while the sum is 29.

The spelling of 20070126722 in words is "twenty billion, seventy million, one hundred twenty-six thousand, seven hundred twenty-two".