20260233642 has 32 divisors (see below), whose sum is σ = 44220830400. Its totient is φ = 6137147520.

The previous prime is 20260233641. The next prime is 20260233659. The reversal of 20260233642 is 24633206202.

It is not an unprimeable number, because it can be changed into a prime (20260233641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122484 + ... + 235632.

It is an arithmetic number, because the mean of its divisors is an integer number (1381900950).

Almost surely, 2^20260233642 is an apocalyptic number.

20260233642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20260233642 is an abundant number, since it is smaller than the sum of its proper divisors (23960596758).

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

20260233642 is a wasteful number, since it uses less digits than its factorization.

20260233642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115878.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 20260233642 its reverse (24633206202), we get a palindrome (44893439844).

The spelling of 20260233642 in words is "twenty billion, two hundred sixty million, two hundred thirty-three thousand, six hundred forty-two".