20346311353534 has 16 divisors (see below), whose sum is σ = 30569729658480. Its totient is φ = 10156401984960.

The previous prime is 20346311353531. The next prime is 20346311353541. The reversal of 20346311353534 is 43535311364302.

It is a super-2 number, since 2×20346311353534² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346311353531) 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, 148045602 + ... + 148182970.

It is an arithmetic number, because the mean of its divisors is an integer number (1910608103655).

Almost surely, 2^{20346311353534} is an apocalyptic number.

20346311353534 is a deficient number, since it is larger than the sum of its proper divisors (10223418304946).

20346311353534 is a wasteful number, since it uses less digits than its factorization.

20346311353534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258795.

The product of its (nonzero) digits is 1166400, while the sum is 43.

The spelling of 20346311353534 in words is "twenty trillion, three hundred forty-six billion, three hundred eleven million, three hundred fifty-three thousand, five hundred thirty-four".