20294740669810 has 16 divisors (see below), whose sum is σ = 36533673665496. Its totient is φ = 8117198387968.

The previous prime is 20294740669771. The next prime is 20294740669873. The reversal of 20294740669810 is 1896604749202.

It can be written as a sum of positive squares in 4 ways, for example, as 18125020507801 + 2169720162009 = 4257349^2 + 1472997^2 .

It is a super-2 number, since 2×20294740669810² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87112849 + ... + 87345508.

Almost surely, 2^{20294740669810} is an apocalyptic number.

20294740669810 is a deficient number, since it is larger than the sum of its proper divisors (16238932995686).

20294740669810 is a wasteful number, since it uses less digits than its factorization.

20294740669810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174469997.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 20294740669810 in words is "twenty trillion, two hundred ninety-four billion, seven hundred forty million, six hundred sixty-nine thousand, eight hundred ten".