20235901334 has 12 divisors (see below), whose sum is σ = 33364151772. Its totient is φ = 9198136860.

The previous prime is 20235901319. The next prime is 20235901373. The reversal of 20235901334 is 43310953202.

It is a self number, because there is not a number n which added to its sum of digits gives 20235901334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41809472 + ... + 41809955.

It is an arithmetic number, because the mean of its divisors is an integer number (2780345981).

Almost surely, 2^20235901334 is an apocalyptic number.

20235901334 is a deficient number, since it is larger than the sum of its proper divisors (13128250438).

20235901334 is a wasteful number, since it uses less digits than its factorization.

20235901334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83619451 (or 83619440 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 20235901334 in words is "twenty billion, two hundred thirty-five million, nine hundred one thousand, three hundred thirty-four".