20262541043 has 4 divisors (see below), whose sum is σ = 21454455240. Its totient is φ = 19070626848.

The previous prime is 20262541031. The next prime is 20262541063. The reversal of 20262541043 is 34014526202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20262541043 - 2²⁰ = 20261492467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20262540997 and 20262541015.

It is not an unprimeable number, because it can be changed into a prime (20262541003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595957073 + ... + 595957106.

It is an arithmetic number, because the mean of its divisors is an integer number (5363613810).

Almost surely, 2^20262541043 is an apocalyptic number.

20262541043 is a deficient number, since it is larger than the sum of its proper divisors (1191914197).

20262541043 is a wasteful number, since it uses less digits than its factorization.

20262541043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191914196.

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 20262541043 in words is "twenty billion, two hundred sixty-two million, five hundred forty-one thousand, forty-three".