20049707862 has 12 divisors (see below), whose sum is σ = 43441033740. Its totient is φ = 6683235948.

The previous prime is 20049707831. The next prime is 20049707869. The reversal of 20049707862 is 26870794002.

It is a super-2 number, since 2×20049707862² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20049707869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556936312 + ... + 556936347.

It is an arithmetic number, because the mean of its divisors is an integer number (3620086145).

Almost surely, 2^20049707862 is an apocalyptic number.

20049707862 is an abundant number, since it is smaller than the sum of its proper divisors (23391325878).

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

20049707862 is a wasteful number, since it uses less digits than its factorization.

20049707862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113872667 (or 1113872664 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 20049707862 in words is "twenty billion, forty-nine million, seven hundred seven thousand, eight hundred sixty-two".