20415646341030 has 64 divisors (see below), whose sum is σ = 49232288851200. Its totient is φ = 5418093045120.

The previous prime is 20415646341011. The next prime is 20415646341031. The reversal of 20415646341030 is 3014364651402.

It is a super-2 number, since 2×20415646341030² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20415646341030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415646341031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143106976 + ... + 143249564.

It is an arithmetic number, because the mean of its divisors is an integer number (769254513300).

Almost surely, 2^{20415646341030} is an apocalyptic number.

20415646341030 is an abundant number, since it is smaller than the sum of its proper divisors (28816642510170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20415646341030 is a wasteful number, since it uses less digits than its factorization.

20415646341030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165429.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 20415646341030 in words is "twenty trillion, four hundred fifteen billion, six hundred forty-six million, three hundred forty-one thousand, thirty".