20880258290 has 8 divisors (see below), whose sum is σ = 37584464940. Its totient is φ = 8352103312.

The previous prime is 20880258263. The next prime is 20880258479. The reversal of 20880258290 is 9285208802.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20841830689 + 38427601 = 144367^2 + 6199^2 .

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

It is a super-2 number, since 2×20880258290² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1044012905 + ... + 1044012924.

Almost surely, 2^20880258290 is an apocalyptic number.

20880258290 is a deficient number, since it is larger than the sum of its proper divisors (16704206650).

20880258290 is a wasteful number, since it uses less digits than its factorization.

20880258290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088025836.

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 20880258290 in words is "twenty billion, eight hundred eighty million, two hundred fifty-eight thousand, two hundred ninety".