20151552054 has 16 divisors (see below), whose sum is σ = 41392377648. Its totient is φ = 6535638432.

The previous prime is 20151552049. The next prime is 20151552061. The reversal of 20151552054 is 45025515102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45386157 + ... + 45386600.

It is an arithmetic number, because the mean of its divisors is an integer number (2587023603).

Almost surely, 2^20151552054 is an apocalyptic number.

20151552054 is an abundant number, since it is smaller than the sum of its proper divisors (21240825594).

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

20151552054 is a wasteful number, since it uses less digits than its factorization.

20151552054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90772799.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 20151552054 in words is "twenty billion, one hundred fifty-one million, five hundred fifty-two thousand, fifty-four".