20150354070 has 128 divisors (see below), whose sum is σ = 66993454080. Its totient is φ = 4187082240.

The previous prime is 20150354057. The next prime is 20150354083. The reversal of 20150354070 is 7045305102.

It is a happy number.

20150354070 is a `hidden beast` number, since 2 + 0 + 1 + 50 + 3 + 540 + 70 = 666.

It is an interprime number because it is at equal distance from previous prime (20150354057) and next prime (20150354083).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 463827 + ... + 505406.

It is an arithmetic number, because the mean of its divisors is an integer number (523386360).

Almost surely, 2^20150354070 is an apocalyptic number.

20150354070 is an abundant number, since it is smaller than the sum of its proper divisors (46843100010).

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

20150354070 is a wasteful number, since it uses less digits than its factorization.

20150354070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969267 (or 969261 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

Adding to 20150354070 its reverse (7045305102), we get a palindrome (27195659172).

The spelling of 20150354070 in words is "twenty billion, one hundred fifty million, three hundred fifty-four thousand, seventy".