20125702541 has 16 divisors (see below), whose sum is σ = 23748602880. Its totient is φ = 16690026240.

The previous prime is 20125702523. The next prime is 20125702543. The reversal of 20125702541 is 14520752102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20125702541 - 2²⁶ = 20058593677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125702543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140695 + ... + 1158203.

It is an arithmetic number, because the mean of its divisors is an integer number (1484287680).

Almost surely, 2^20125702541 is an apocalyptic number.

It is an amenable number.

20125702541 is a deficient number, since it is larger than the sum of its proper divisors (3622900339).

20125702541 is a wasteful number, since it uses less digits than its factorization.

20125702541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22844.

The product of its (nonzero) digits is 5600, while the sum is 29.

The spelling of 20125702541 in words is "twenty billion, one hundred twenty-five million, seven hundred two thousand, five hundred forty-one".