761020220201 has 4 divisors (see below), whose sum is σ = 761031968004. Its totient is φ = 761008472400.

The previous prime is 761020220173. The next prime is 761020220209. The reversal of 761020220201 is 102022020167.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 615752520601 + 145267699600 = 784699^2 + 381140^2 .

It is a cyclic number.

It is not a de Polignac number, because 761020220201 - 2¹⁰ = 761020219177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761020220209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5776190 + ... + 5906471.

It is an arithmetic number, because the mean of its divisors is an integer number (190257992001).

Almost surely, 2^761020220201 is an apocalyptic number.

It is an amenable number.

761020220201 is a deficient number, since it is larger than the sum of its proper divisors (11747803).

761020220201 is a wasteful number, since it uses less digits than its factorization.

761020220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11747802.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 761020220201 its reverse (102022020167), we get a palindrome (863042240368).

The spelling of 761020220201 in words is "seven hundred sixty-one billion, twenty million, two hundred twenty thousand, two hundred one".