761000020220021 has 8 divisors (see below), whose sum is σ = 801077088520320. Its totient is φ = 720925395485472.

The previous prime is 761000020219981. The next prime is 761000020220053. The reversal of 761000020220021 is 120022020000167.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 761000020220021 - 2²⁶ = 760999953111157 is a prime.

It is a super-3 number, since 3×761000020220021³ (a number of 46 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761000020220071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610252160 + ... + 611497913.

It is an arithmetic number, because the mean of its divisors is an integer number (100134636065040).

Almost surely, 2^{761000020220021} is an apocalyptic number.

It is an amenable number.

761000020220021 is a deficient number, since it is larger than the sum of its proper divisors (40077068300299).

761000020220021 is a wasteful number, since it uses less digits than its factorization.

761000020220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221782875.

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

Adding to 761000020220021 its reverse (120022020000167), we get a palindrome (881022040220188).

The spelling of 761000020220021 in words is "seven hundred sixty-one trillion, twenty million, two hundred twenty thousand, twenty-one".