20000421022342 has 16 divisors (see below), whose sum is σ = 31697008484400. Its totient is φ = 9438664739040.

The previous prime is 20000421022339. The next prime is 20000421022409. The reversal of 20000421022342 is 24322012400002.

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, 978292509 + ... + 978312952.

It is an arithmetic number, because the mean of its divisors is an integer number (1981063030275).

Almost surely, 2^{20000421022342} is an apocalyptic number.

20000421022342 is a deficient number, since it is larger than the sum of its proper divisors (11696587462058).

20000421022342 is a wasteful number, since it uses less digits than its factorization.

20000421022342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956605751.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20000421022342 its reverse (24322012400002), we get a palindrome (44322433422344).

The spelling of 20000421022342 in words is "twenty trillion, four hundred twenty-one million, twenty-two thousand, three hundred forty-two".