20145741134 has 8 divisors (see below), whose sum is σ = 30219852000. Its totient is φ = 10072457136.

The previous prime is 20145741131. The next prime is 20145741137. The reversal of 20145741134 is 43114754102.

It is an interprime number because it is at equal distance from previous prime (20145741131) and next prime (20145741137).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20145741134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20145741131) 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, 141719 + ... + 245714.

It is an arithmetic number, because the mean of its divisors is an integer number (3777481500).

Almost surely, 2^20145741134 is an apocalyptic number.

20145741134 is a deficient number, since it is larger than the sum of its proper divisors (10074110866).

20145741134 is a wasteful number, since it uses less digits than its factorization.

20145741134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413434.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 20145741134 in words is "twenty billion, one hundred forty-five million, seven hundred forty-one thousand, one hundred thirty-four".