20153065044 has 48 divisors (see below), whose sum is σ = 53758204416. Its totient is φ = 5756229600.

The previous prime is 20153065039. The next prime is 20153065073. The reversal of 20153065044 is 44056035102.

It is a super-2 number, since 2×20153065044² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247579 + ... + 318749.

It is an arithmetic number, because the mean of its divisors is an integer number (1119962592).

Almost surely, 2^20153065044 is an apocalyptic number.

It is an amenable number.

20153065044 is an abundant number, since it is smaller than the sum of its proper divisors (33605139372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20153065044 is a wasteful number, since it uses less digits than its factorization.

20153065044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74556 (or 74554 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 20153065044 in words is "twenty billion, one hundred fifty-three million, sixty-five thousand, forty-four".