20071263246 has 16 divisors (see below), whose sum is σ = 41121613008. Its totient is φ = 6527240000.

The previous prime is 20071263241. The next prime is 20071263257. The reversal of 20071263246 is 64236217002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20071263241) 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, 40795005 + ... + 40795496.

It is an arithmetic number, because the mean of its divisors is an integer number (2570100813).

Almost surely, 2^20071263246 is an apocalyptic number.

20071263246 is an abundant number, since it is smaller than the sum of its proper divisors (21050349762).

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

20071263246 is a wasteful number, since it uses less digits than its factorization.

20071263246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81590547.

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 20071263246 in words is "twenty billion, seventy-one million, two hundred sixty-three thousand, two hundred forty-six".