20145476301772 has 6 divisors (see below), whose sum is σ = 35254583528108. Its totient is φ = 10072738150884.

The previous prime is 20145476301763. The next prime is 20145476301799. The reversal of 20145476301772 is 27710367454102.

It is a super-3 number, since 3×20145476301772³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2518184537718 + ... + 2518184537725.

Almost surely, 2^{20145476301772} is an apocalyptic number.

It is an amenable number.

20145476301772 is a deficient number, since it is larger than the sum of its proper divisors (15109107226336).

20145476301772 is a wasteful number, since it uses less digits than its factorization.

20145476301772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5036369075447 (or 5036369075445 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 20145476301772 in words is "twenty trillion, one hundred forty-five billion, four hundred seventy-six million, three hundred one thousand, seven hundred seventy-two".