20246212734 has 16 divisors (see below), whose sum is σ = 44173555200. Its totient is φ = 6135215960.

The previous prime is 20246212631. The next prime is 20246212799. The reversal of 20246212734 is 43721264202.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 20246212695 and 20246212704.

It is a congruent number.

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, 153380334 + ... + 153380465.

It is an arithmetic number, because the mean of its divisors is an integer number (2760847200).

Almost surely, 2^20246212734 is an apocalyptic number.

20246212734 is an abundant number, since it is smaller than the sum of its proper divisors (23927342466).

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

20246212734 is a wasteful number, since it uses less digits than its factorization.

20246212734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306760815.

The product of its (nonzero) digits is 32256, while the sum is 33.

Adding to 20246212734 its reverse (43721264202), we get a palindrome (63967476936).

The spelling of 20246212734 in words is "twenty billion, two hundred forty-six million, two hundred twelve thousand, seven hundred thirty-four".