20246513534 has 16 divisors (see below), whose sum is σ = 33099957072. Its totient is φ = 9231958848.

The previous prime is 20246513533. The next prime is 20246513537. The reversal of 20246513534 is 43531564202.

It is a junction number, because it is equal to n+sod(n) for n = 20246513494 and 20246513503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20246513533) 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, 4688879 + ... + 4693194.

It is an arithmetic number, because the mean of its divisors is an integer number (2068747317).

Almost surely, 2^20246513534 is an apocalyptic number.

20246513534 is a deficient number, since it is larger than the sum of its proper divisors (12853443538).

20246513534 is a wasteful number, since it uses less digits than its factorization.

20246513534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9382171.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 20246513534 in words is "twenty billion, two hundred forty-six million, five hundred thirteen thousand, five hundred thirty-four".