20541240221342 has 16 divisors (see below), whose sum is σ = 31403314219680. Its totient is φ = 10073593481952.

The previous prime is 20541240221329. The next prime is 20541240221371. The reversal of 20541240221342 is 24312204214502.

It is a junction number, because it is equal to n+sod(n) for n = 20541240221299 and 20541240221308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30835658 + ... + 31494765.

It is an arithmetic number, because the mean of its divisors is an integer number (1962707138730).

Almost surely, 2^{20541240221342} is an apocalyptic number.

20541240221342 is a deficient number, since it is larger than the sum of its proper divisors (10862073998338).

20541240221342 is a wasteful number, since it uses less digits than its factorization.

20541240221342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62333587.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 20541240221342 its reverse (24312204214502), we get a palindrome (44853444435844).

The spelling of 20541240221342 in words is "twenty trillion, five hundred forty-one billion, two hundred forty million, two hundred twenty-one thousand, three hundred forty-two".