20260263460 has 24 divisors (see below), whose sum is σ = 44396404416. Its totient is φ = 7751752800.

The previous prime is 20260263427. The next prime is 20260263467. The reversal of 20260263460 is 6436206202.

It is a super-2 number, since 2×20260263460² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20260263467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22021566 + ... + 22022485.

It is an arithmetic number, because the mean of its divisors is an integer number (1849850184).

Almost surely, 2^20260263460 is an apocalyptic number.

20260263460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20260263460 is an abundant number, since it is smaller than the sum of its proper divisors (24136140956).

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

20260263460 is a wasteful number, since it uses less digits than its factorization.

20260263460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44044083 (or 44044081 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 20260263460 its reverse (6436206202), we get a palindrome (26696469662).

The spelling of 20260263460 in words is "twenty billion, two hundred sixty million, two hundred sixty-three thousand, four hundred sixty".