1020220177707 has 24 divisors (see below), whose sum is σ = 1498819861344. Its totient is φ = 668626959744.

The previous prime is 1020220177699. The next prime is 1020220177733. The reversal of 1020220177707 is 7077710220201.

It is not a de Polignac number, because 1020220177707 - 2³ = 1020220177699 is a prime.

It is a super-2 number, since 2×1020220177707² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020220177777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3889648 + ... + 4143645.

It is an arithmetic number, because the mean of its divisors is an integer number (62450827556).

Almost surely, 2^{1020220177707} is an apocalyptic number.

1020220177707 is a deficient number, since it is larger than the sum of its proper divisors (478599683637).

1020220177707 is a wasteful number, since it uses less digits than its factorization.

1020220177707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8033539 (or 8033536 counting only the distinct ones).

The product of its (nonzero) digits is 19208, while the sum is 36.

Adding to 1020220177707 its reverse (7077710220201), we get a palindrome (8097930397908).

The spelling of 1020220177707 in words is "one trillion, twenty billion, two hundred twenty million, one hundred seventy-seven thousand, seven hundred seven".