20822491010 has 8 divisors (see below), whose sum is σ = 37480483836. Its totient is φ = 8328996400.

The previous prime is 20822491009. The next prime is 20822491037. The reversal of 20822491010 is 1019422802.

It can be written as a sum of positive squares in 2 ways, for example, as 20135893801 + 686597209 = 141901^2 + 26203^2 .

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

It is a super-2 number, since 2×20822491010² (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, 1041124541 + ... + 1041124560.

Almost surely, 2^20822491010 is an apocalyptic number.

20822491010 is a deficient number, since it is larger than the sum of its proper divisors (16657992826).

20822491010 is a wasteful number, since it uses less digits than its factorization.

20822491010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082249108.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 20822491010 in words is "twenty billion, eight hundred twenty-two million, four hundred ninety-one thousand, ten".